Term Definition
C 0 likes
In heat transfer, conducting of material; the reciprocal of resistance (C=1/R)
In seismic design, the numerical coefficient that signifies building acceleration
C Stud 0 likes
A roll-formed metal channel stud
C to C 0 likes
Center to center
C-Clamp0 likes
A C-shaped clamp with jaw capacities generally 1 inch to 8 inches employed for holding wood or metal pieces in a fixed position and for temporary assemblies
C. Switch, Isolating 0 likes
A switch for isolating an electric circuit from the source of power; employed only after the circuit has been opened by other means
C.O. 0 likes
Abbreviation for Certificate of Occupancy certificate issued by the local municipality and necessary before anyone can occupy a home; issued after the local municipality has made the inspections and all fees have been paid
C/B Ratio 2 likes
Likely resistance of brick to freezing and thawing; also called Saturation Coefficient
Cab, Elevator 0 likes
Elevator enclosure that carries passengers
Cabana 0 likes
A shelter close to a swimming pool or beach
Cabin 1 like
A small one story dwelling of simple construction
A compartment on a ship or airplane
Cabinet3 likes
Case, box, or furniture with drawers or shelves and doors mainly employed for storage
An electrical switch enclosure for surface or flush mounting with a frame, mat or trim where swinging doors are hung; see Panelboard or Switchboard
Cabinet Drawer Guide 0 likes
A wood strip that guides the drawer as it slides in and out of its opening
Cabinet Drawer Kicker 1 like
Wood cabinet component positioned immediately above and usually at the center of a drawer to stop tilting when pulled out
Cabinet Finish 3 likes
Protective coatings to furnish protection and decoration for exposed portions of wood cabinets
Cabinet Hardware3 likes
cabinet hardware
Metal and plastic fasteners and connectors that enable doors, drawers, and shelves in cabinets to be functional
Cabinet Heater2 likes
A heating element in a metal housing with openings for airflow generally with a fan that regulates air flow
Cabinet Knob2 likes
cabinet knob
A handle, pull, or rounded protrusion that opens a cabinet door or drawer
Cabinet Wall 0 likes
The wall to which cabinets are secured or installed
Cabinet, Base3 likes
base cabinet
Floor-mounted cabinet most often with a mounted counter, sink or appliance
Cabinet, Extinguisher 0 likes
A cupboard with doors that houses a fire extinguisher
Cabinet, Kitchen1 like
kitchen cabinet
Furniture with drawers or shelves and doors mainly used for storage, mounted on walls or floors in a kitchen
Cabinet, Laboratory2 likes
cabinet laboratory
Furniture with drawers or shelves and doors, mainly used for storage in an area for scientific studies and testing facilities
Cabinet, Monitor 1 like
Cabinet with louvered panel doors to permit ventilation and light
Cabinet, Transparent Finish 2 likes
Protective clear or tinted coating to protect and decorate exposed parts of wood cabinets that allow wood grain to be visible through the coating
Cable2 likes
A thin, flexible line that carries only tensile forces
A bundle of two or more electrical conductors
Cable Bus 0 likes
Assembly of insulated cables
Cable Camera2 likes
cable camera
Camera that is regulated and activated with coaxial cable
Cable Connector2 likes
cable connector
A device that connects lengths of cable into one longer cable
Cable Coupler2 likes
cable coupler
A device that connects two lengths of cable into one longer cable
Cable Fitting 0 likes
Creates a junction or connects cable lines
Cable Lug 0 likes
Connector for securing the ends of cable to a terminal
Cable Man-Hole 0 likes
A vertical access shaft from the surface to the underground to an area for the repair or installation of cable wires
Cable Receptacle3 likes
cable receptacle
Interrupting outlet box mounted in an electric supply circuit for connecting electric cables
Cable Roof 0 likes
Circular structure in which internal stresses of the components are subjected mainly to tensile stresses
Cable Support 0 likes
A structure which secures cable lines in position or safely overhead
Cable Tap Box 2 likes
Box where public cable service supply lines connect with a branch for a building or structure
Cable Tray2 likes
cable tray
Open track to support insulated cables
Cable TV 0 likes
System of distributing television signals to subscribers with subterranean cables or overhead wires, and not aerially
Cable, Audio1 like
cable, audio
A cable that holds and transmits audio signals
Cable, BX1 like
cable, BX
Two or more insulated indoor wires protected by a wound, galvanized steel strip cover; the metal winding produces a flexible tube providing protection similar to rigid conduit
Cable, Coaxial1 like
coaxial cable
A cable comprised of two concentric conductors separated by an insulator; used to transfer telephone, television and computer signals
Cable, Communication1 like
cable, communication
A cable that transmits telephone, television, and computer signals
Cable, Computer1 like
Cable, computer
Coaxial cable that transmits computer signals
Cable, Copper2 likes
cable, copper
Insulated, sheathed copper wires conducting power from a source to an electric device
Cable, Fire Alarm 0 likes
An electrical system cable that transfers electric current to a warning horn or bell for use when there is fire or catastrophic circumstance
Cable, Guy 1 like
A wire that secures a tall exterior mast, antenna, or other structure
Cable, Thermostat1 like
Thermostat cable
An electrical system cable that drives an automatic device to control the temperature in a room or area
CABO 1 like
Council of American Building Officials
Cabriole Leg 1 like
A curved furniture leg round and swollen at the top and tapered down to an ornamental foot
CAD 1 like
Computer Aided Design
CADD 0 likes
Computer Aided Design and Drafting
Cadmium 0 likes
A bluish white flexible toxic metallic element employed in protective plating and bearing metals
Cadmium Lithopone 1 like
Series of yellows and reds permanent to light and alkali resistant
Cadmium Red 0 likes
Non-fading red pigment constructed from cadmium and selenium metal; heat and alkali resistant
Cadmium Yellow 1 like
Pigment fast to alkalis but not acids
Café 0 likes
A small coffee shop or very basic restaurant
Cafeteria 0 likes
Restaurant where customers select their food, put it on a tray, and pay before eating
Cage Ladder1 like
cage ladder
Wall-mounted ladder that is designed to stop the climber from falling
Caging2 likes
Metal furring employed to encompass pipes, columns and beams hidden by gypsum board
Caisson Disease 0 likes
Decompression sickness; also called The Bends, Air Embolism, or Aerembolism
Caking 0 likes
Hardened settling of pigment from paint
Cal/OSHA 0 likes
California Occupational Safety and Health Act
Calcareous 1 like
Contains calcium or calcium carbonate; chalky
Calcification 0 likes
Buildup of calcium carbonate on swimming pool walls and equipment; due to precipitation of calcium from hard water
Calcimine 0 likes
A white or tinted wash of glue, whiting or zinc white and water used mainly on plastered surfaces; a tempera
Calcine 0 likes
Change structure or physical state by heating
Reduce water content by heating and thereby changing the chemical and physical properties of a substance
Reduce water from crystallization in gypsum by applying heat
Ceramic mineral or mixture fired to less than fusion employed as part of a ceramic arrangement
Calcined 0 likes
Heated to high temperature without air
Calcined Board 0 likes
Gypsum board exposed to excessive heat
Calcined Gypsum 1 like
Gypsum partly dehydrated by heat
Calcium Aluminate Cement 0 likes
Product produced by pulverizing clinker made of hydraulic calcium aluminates due to fusing or sintering a mixture of aluminous and calcareous substances
Calcium Carbonate1 like
calcium carbonate
Earth substance from chalk or dolomite deposits; used as an extender pigment; also called Whiting
Calcium Driers 0 likes
Employed with other metal driers to convert paint to hard films
Calcium Gypsum1 like
calcium gypsum
A dry powder produced from calcination of gypsum; cementitious base for production of most gypsum plasters; also called Plaster of Paris or Stucco
Calcium Hypchlorite 0 likes
Used as a bacteriacide in swimming pools; available in white granular or tablets and discharges 70% of its weight as available chlorine
Calcium Insulation 0 likes
Insulation composed of hydrated calcium silicate that can withstand 1200° Fahrenheit and by moisture
Calcium Silicate 0 likes
A sand and lime solution
Calcium Sulphate 0 likes
A drying agent in liquid line driers
Calculus 0 likes
Using algebra to calculate varying quantities
Calendar Day 0 likes
Every day on the calendar
Calendered Papers 0 likes
Wallpapers with hard finish
Caliber 1 like
Internal diameter of a tube
Character and capacity of an organization
Calibrate 0 likes
To verify the graduations of a device and adjust them
Calidarium 0 likes
In Roman baths, the room that has the warm bath; also called Thermae
California Redwood Association (CRA) 0 likes
405 Enfrente Drive #200, Novato, California 94949 Tel: (415) 382-0662, http://www.calredwood.org/
Caliper1 like
A measuring instrument with two legs like a divider to measure thicknesses, diameters, and distances between surfaces; with in-turned points to measure convex surfaces and out-turned points for gauging internal dimensions
Measured thickness of gypsum board
Diameter of a tree trunk
Call System 1 like
Communicating device that connect an area with another
Calorie 0 likes
Small calorie or gram calorie used in medical science; amount of heat required to raise the temperature of one gram of water one degree Celsius
Large calorie or great calorie; used by engineering science; the amount of heat required to raise the temperature of one kilogram of water one degree Celsius
Calorimeter 0 likes
Device that measures quantities of heat or gauges specified heats
Cam 0 likes
Projection on a rotating part in machinery that conveys reciprocal or variable motion to the part with which it is in contact
Camber 1 like
A deflection built into a beam or structural element to beautify, eliminate or offset the deflection of the beam under the effects of loads, shrinkage, and creep
Slight rise in the center of a flat arch
Camber Rod 0 likes
A tension rod mounted under a trussed beam
Came 1 like
Thin grooved lead rod employed in stained glass windows
Camera Cable1 like
camera cable
Device that transmits and records visual images
Campanile 2 likes
A free-standing bell tower
Campus 1 like
The grounds and buildings of a university, college, or school
Candela 1 like
An international unit of luminous intensity; also called a Candle
Candelilla Wax 1 like
Wax derived from small shrub grown in Texas and Mexico; softer than Carnuba wax
Candle1 like
See Candela
Candlepower 1 like
The unit of luminous intensity of a light source, expressed in Candelas
Cane Bolt3 likes
cane bolt
An L-shaped rod installed on a swinging or sliding door that drops into a pipe sleeve below the floor surface to stabilize the door
Cannibalization 0 likes
Process of running an income property by borrowing parts, fixtures, and equipment from vacant spaces
Cannular 0 likes
Canopy1 like
An overhanging shelter; a marquee
Cant Strip 1 like
A strip of treated wood or fiber with a sloping face employed to improve the transition from a horizontal to a vertical surface at the edge of a flat roof; prevents the roofing material from suddenly stopping at the parapet wall and also aids in averting leakage there
A triangular shaped wood strip employed under shingles at gable ends or under the edges of roofing on flat decks
Cantilever 1 like
An overhang of around 2 feet where a floor extends beyond a foundation wall
Cantilever Wall 0 likes
A retaining wall where the wall and footing oppose earth pressure by cantilever effect
Cantilevered Beam 0 likes
A beam that is supported at one end
Cantilevered Void 0 likes
Trapezoid shaped foundation void material with vertical sides 6 inches by 4 inches used in exceptionally expansive soils conditions
Cap 0 likes
Upper component of a column, door cornice, molding, or fireplace
Cap Base 1 like
Wood strip mounted to the base of a wall to protect the wall surface and complete the intersection of the wall and baseboard
Cap Block 0 likes
Solid flat slab generally 2-1/4 inches thick employed as capping units for parapet and garden walls; also used as a Paving Unit
Cap Flashing 0 likes
The part of the flashing connected to a vertical surface to stop water passing behind the base flashing
Cap Rate 0 likes
See Capitalization Rate
Cap Sheet 1 like
The uppermost sheet of roofing in a built up roof
Cap, Black Iron 1 like
A steel fitting with female threads that seals the end of a pipe
Cap, Pile 2 likes
Structural part secured and positioned on the top of a thin timber, concrete, steel pile; employed to transfer loads into a pile or piles, interconnecting them
Cap, Post 0 likes
A fitting that attaches the end of a wooden post to a joist or girder connected to the post
Cap, Welded 0 likes
A fitting secured by welding to seal the end of a pipe
Capacitance 0 likes
Property of a nonconductor, condenser, or capacitor that stores electrical energy in an electrostatic field; measured by the farad
Property of an electric circuit which tends to oppose a change in voltage
Capacitance Sensor1 like
capacitance sensor
A sensor that displays a device’s ability to hold or store electrical energy
Capacitive Reactance 0 likes
Resistance to an alternating current due to capacitance in ohms
Capacitor1 like
A device that provides capacitance in an electric circuit
Electrical storage device used in starting and running circuits for electric motors
Capacitor Motor1 like
capacitor motor
Single-phase induction motor with an auxiliary starting winding in series with a capacitor to improve starting function
Capacitor-Start Motor2 likes
capacitor-start motor
Motor with a capacitor in the starting circuit
Capacity 0 likes
The ability to contain or receive
Maximum amount that can be accommodated
Lender’s requirements that indicate borrower’s ability to continue with a project and weather a moderate loss
Refrigeration rating system; measured in Btu per hour or watts
Capillarity 0 likes
Description of the elevation or lowering of a liquid when it is in contact with a solid in a capillary tube
Capillary1 like
A tube with a little bore
Capillary Attraction 0 likes
Adhesion force between a solid and a liquid in capillarity
How adhesion between the molten filler metal and the base metals, along with surface tension of the molten filler metal, spreads the filler metal between the well fitted surfaces of the joint in brazing
Capillary Break 0 likes
Slot or groove that produces an opening too big to be bridged by a drop of water, removing water transfer by capillary action
Capillary Movement 0 likes
Movement of underground water due to capillary attraction
Capillary Space 0 likes
Space unoccupied by anhydrous cement or cement gel in cement paste; air bubbles are not part of the cement paste
Capillary Tube2 likes
Capillary tube
See Capillary and Choke Tube
Capillary Water 0 likes
Underground water supported above the water table by capillary attraction
Capital 0 likes
The principal portion of a loan; the original quantity that is borrowed; money or other assets that a company uses to start or operate a business
Head or cornice of a pillar or column; also called Column Cap
Capital and Interest 0 likes
The most conventional form of repayment home loan where the borrower repays an amount each month to cover the amount (capital or principal) borrowed, and the interest charge on the capital
Capital Gain or Loss 0 likes
Gain or loss in the sale or disposition of a capital asset
Capital Stock 1 like
Total amount invested by the owner of a business in exchange for common stock shares at par value
Capital, Column 0 likes
Uppermost part of a column crowning the shaft and receiving the weight of the slab, beam, etc
Capitalization 0 likes
Determining the capitalized value (capital value) of a real property investment by dividing the annual income by an expected capitalization rate
Financial resources accessible to a business
Capitalization Rate 0 likes
Interest rate employed in the capitalization process describing the risk and rates of return on investments; also called Cap Rate
Capitol 0 likes
A building where a state legislative body congregates
Building in Washington, DC where the U.S. Congress congregates
Capped Rate 0 likes
Mortgage interest rate is limited to a specific amount over a defined period, although it fluctuates below that point
Car Wash 0 likes
A building that has a business specifically for washing cars
Carbon 1 like
A non-metallic element in diamond and graphite, or as part of coal, petroleum, asphalt, and organic compounds, and limestone and other carbonates; when combined with iron produces steel; employed as an electrode in arc welding; and holds weld metal in a mold
Carbon Black 0 likes
Black pigment made by burning natural gas in an inadequate air provision
Carbon Dioxide 1 like
Compound of carbon and oxygen in nature; employed as a refrigerant
Carbon Filter1 like
carbon filter
Air filter employing activated carbon as an air cleansing agent
Carbon Monoxide 0 likes
A colorless, odorless toxic gas produced by incomplete burning of carbon
Carbon Steel 0 likes
Low carbon or mild steel
Carbon Tetrachloride 1 like
Colorless nonflammable, highly toxic liquid employed as a solvent
Carbon-Arc Cutting 0 likes
Arc-cutting process where metals are severed by the heat of an arc between a carbon electrode and the base metal
Carbon-Arc Welding 0 likes
Arc-welding process where coalescence is achieved by heating with an electric arc between a carbon electrode and the metal without shielding
Carbonation 1 like
Reaction between the products of portland cement and carbon dioxide that produces calcium carbonate
Carborundum1 like
Carbon and silicon compound employed as an abrasive; trademark
Carcinogen 0 likes
A substance that causes cancer
Card Access Control 0 likes
Entry device using a small magnetized plastic card
Carnuba Wax 1 like
Hard wax obtained primarily from Brazil
Carpenter 0 likes
A woodworker who specializes in structures
Carpenter Pencil2 likes
carpenter pencil
Tough pencil with a thick rectangular lead to mark lumber
Carpenters Level1 like
carpenters level
A hand device made of a wood or metal bar with spirit levels, used for determining evenness of construction parts
Carpenters Saw1 like
carpenters saw
See Handsaw
Carpentry, Finish 0 likes
Finished woodwork including doors, base, casing, stairs and paneling installed after plastering or drywall
Carpentry, Rough 0 likes
Initial boxing, framing and sheeting of a wood frame building
Carpet2 likes
Fabric used as a soft floor covering over the entire floor and fastened to it; include Woven, Tufted, Knitted, Flocked, and Punched carpets
Carpet & Rug Institute (CRI) 1 like
P.O. Box 2048, Dalton, Georgia 30722 Tel: (706) 278-3176, http://www.carpetrug.org/
Carpet Base 2 likes
Vinyl or rubber base connected to the wall with adhesive as a finish for carpet
A base made of carpet
Carpet Lining 0 likes
See Carpet Padding
Carpet Padding1 like
carpet padding
Felt, jute, hair, foam, or plastic rubber underlay positioned under carpet to improve walkway comfort, absorbing pile-crushing force and reducing sound transmission; also called Cushioning, Underlay or Lining
Carpet Plate 0 likes
Slender ornamental metal piece with rough edges of carpet connected at doorways or at the junction of carpet to another flooring material to produce a clean end point
Carpet Strip1 like
carpet strip
See Base Shoe
Carpet Tack1 like
carpet tack
A little tack employed for attaching carpet to wood flooring
Carpet Tile1 like
carpet tile
Carpet in sheets or small squares installed with adhesive
Carport 0 likes
An open-sided structure with a roof to house a car, usually next to a house
Carrel 0 likes
A small cubicle in a library for a reader
Carrene 0 likes
Refrigerant in Group One (R-11); chemical combination of carbon, chlorine and fluorine
Carriage 0 likes
Framing support of the steps of a stairway; also called Rough Horse and Stair Horse
Carriage Bolt1 like
carriage bolt
Bolt with a round smooth threaded head; a bolt with a square neck directly under the head to inhibit rotation
Carrier Channel 0 likes
Primaru supporting metal parts employed in constructing suspended ceilings
Carrier, Fixture 0 likes
A mounting frame built into a wall to hold a plumbing fixture
Carrying Channels 1 like
See Channels, Carrying
Cartouche 0 likes
Ornamental frame
Cartridge 0 likes
Small containers holding material for a larger device in which it is inserted
Disposable element consisting of filtering media and employed in pool filters
Cartridge Filter1 like
cartridge filter
A swimming pool filter with a disposable cartridge
Cartridge, Extinguisher 0 likes
Cylindrical container of a fire prevention device that contains chemicals to suppress fire
Carved Carpet 0 likes
See Sculptured Carpet
Carved Door 0 likes
A door finished with cuts on its surface to enhance its appearance
Cascade Sequence 0 likes
Buildup sequence where weld beads are deposited in overlapping layers in welding; in manual shielded metal arc welding, a back step sequence is generally employed. See Block Sequence and Buildup Sequence
Cascade System 0 likes
System where two or more refrigerating systems are used in series; employs a machine evaporator to cool the condenser of another machine; produces extremely low temperatures
Case Joint 0 likes
A joint employed in cabinetmaking where the two pieces are joined at an angle and fastened by dowels
Case Mould 2 likes
Plaster shell that secures parts of a plaster mold in position; also employed with gelatin and wax moulds to inhibit distortions during pouring
Case, Refrigerated1 like
case refrigerated
A cold storage case; used to store perishable items
Casein 0 likes
Protein from milk, soluble in alkaline water solution; casein is employed in manufacturing water paints
Casein Glue 1 like
Adhesive consisting of casein (milk curd), lime, and sodium salt; water is added to this dry powder
Casein Paints 0 likes
Paint where casein solution has replaced the binder
Casement 0 likes
Wood or metal frames enclosing part or the entire window sash that can be opened with hinges attached to the vertical edges
Casement Window 1 like
A window with hinges on one of the vertical sides that opens just like a door
Casework 0 likes
Assembled cabinetry or millwork
Cash Accounting 0 likes
Record of accounting when income is received and expenses are paid out as cash; also called Cash Basis
Cash Basis 1 like
See Cash Accounting
Cash Flow 1 like
Cash income after all cash outlays and reserves have been deducted from the gross income
Casing 0 likes
Wood trim molding mounted around a door or window
Casing Bead 1 like
Metal or wood molding that separates materials as an edge, or around openings as a stop
Casing Trim 0 likes
Metal or wood material decorative finish mounted around windows and doors
Casino 0 likes
Building or room for gambling and other amusement
Small summerhouse
CASSB 0 likes
Cedar Shake & Shingle Bureau
Cassiterite 0 likes
Inorganic mineral source of tin and tin oxide
Cast 0 likes
Tendency of one color to look like another
Cast Iron1 like
cast iron
High carbon content iron which is not classified as steel
Cast Iron Soil Pipe Institute (CISPI) 2 likes
3008 Preston Station Drive, Hixson, TN, 37343 Tel: (423) 842-2122, URL: http://www.cispi.org/
Cast Iron Wheel Guard 0 likes
Lineal component positioned at the intersection of a wall and horizontal surface to restrict vehicle wheels from nearing a wall surface, protecting it from damage
Cast Stone 0 likes
Ornamental concrete cast in molds for construction
Cast-In-Place 0 likes
Mortar or concrete positioned properly to harden as part of the structure, unlike precast concrete
Cast-In-Place Concrete 1 like
Concrete poured in its intended position
Casting 0 likes
Cast in a mold like cast iron or cast aluminum
Casting Bed 0 likes
Form where precast concrete units are constructed
Casting Mold 0 likes
Use of gelatin, wax, or plaster molds to produce plaster decoration
Casting Plaster1 like
casting plaster
Fast-setting gypsum plaster employed to secure marble to walls; see Gypsum Molding Plaster
Castor Oil 1 like
Nondrying oil produced from the castor bean; may be transformed into a drying oil by chemical treatment
Casts 0 likes
Finished plaster product from a mold employed as enrichments and glued in place
Catalyst 0 likes
A substance that increases the rate of a chemical reaction without undergoing a change; makes a change happen
Catch 0 likes
Hardware for securing a door, window, or cabinet door
Catch Basin1 like
catch basin
A container for holding water runoff from a defined area; generally a shallow concrete box with a grating and a discharge pipe leading to a plumbing or storm water system
Catenary 0 likes
The curve adopted by heavy cable, rope, or chain of uniform density, hanging between two points, or something with this shape
Catface 1 like
Rough depression or blemish in the finish coat of plaster due to variations in base coat thickness
Cathedral 0 likes
A church serving as the official seat of a diocesan bishop
Cathode 0 likes
Negative electrode in an electrolytic cell
The positive terminal of a primary cell such as a battery
Cathode-Ray Tube 0 likes
A high-vacuum tube in which cathode rays result in a luminous image on a fluorescent screen
Catwalk 1 like
A narrow walkway
Caulk, Masonry1 like
caulking compound
Resilient material used to seal cracks or openings where masonry butts against other materials
Caulking 0 likes
A flexible material used to seal a gap between two surfaces such as between pieces of siding or the corners in tub walls
To fill a joint with mastic or asphalt plastic cement to prevent leaks
Caulking Compound1 like
caulking compound
A soft, plastic material used for sealing joints in buildings and other structures where normal structural movement may occur; remain plastic for long periods after application; dispensed by guns and knives and in extruded preformed shapes
Caulking Gun1 like
caulking gun
A hand tool that dispenses liquid caulking into joints and seams
Caustic Lime 0 likes
Caveat 2 likes
A warning or proviso
Caveat Emptor 1 like
A warning that the buyer purchases at its own risk
Cavetto 0 likes
A quarter hollow molding; the opposite of a quarter round
Cavitation 0 likes
Localized gas or part vacuum in a liquid stream; caused by mechanical force such as a pump impeller or in fluids at high speeds
Cavity 0 likes
A hollow or void space within a material
Cavity Wall Anchor 0 likes
A metal tool installed on a masonry wall to secure attachments or masonry to an existing or back-up wall
CBD 1 like
Commerce Business Daily; a daily newspaper that has listings of governmental contracts for bidding
CC&Rs 2 likes
Covenants, conditions, and restrictions
CCA (Chromated Copper Arsenate) 2 likes
A pesticide forced into wood under high pressure to protect it from termites, other wood boring insects, and fungus decay
CCMCA 1 like
California Conference of Mason Contractor Associations, Inc
CCTV 0 likes
Closed Circuit Television
CCTV Cable2 likes
CCTV cable
Cable used for transmission of closed-circuit television
CDA 1 like
Copper Development Association
CDX 0 likes
A grading system mark for plywood, grade C and D for exterior glue
CDX Plywood 0 likes
Plywood employed in external applications graded C and D for sheathing
CE 0 likes
Civil Engineer
Cedar 0 likes
Aromatic durable softwood of the pine family
Cedar Closet1 like
cedar closet
A closet lined with thin pieces of cedar wood; employed for its scent and ability to repel insects
Cedar Deck 0 likes
A flat-floored roofless platform attached to a structure made of cedar wood; planks for flooring, from cedar, usually 2 inch thick
Cedar Shake & Shingle Bureau (CASSB) 0 likes
515 116th Avenue, NE, #275, Bellevue, Washington 98004-5294, Tel: (206) 453-1323, URL: http://www.cedarbureau.org/
Ceiling 1 like
The overhead inside lining of a room
Ceiling Access Door1 like
ceiling access door
A hinged door or loose fitting panel that permits entry to an attic
Ceiling Blocking 1 like
Wood pieces inserted between ceiling joists and rafters to produce nailing surfaces for finishing ceiling materials
Ceiling Diffuser1 like
ceiling diffuser
Mechanical device through which air is blown to distribute conditioned air
Ceiling Framing 0 likes
Wood or metal pieces that produce the rough framing of ceilings
Ceiling Furring 0 likes
Wood or metal strips mounted on a ceiling or rafter to make the ceiling or rafter even, produce a nailing surface, or create an air space
Ceiling Grille 1 like
A grating, screen, or louvered panel that enables air to enter a ventilating duct
Ceiling Heater2 likes
ceiling heater
Electric heater mounted in a ceiling usually in a bathroom
Ceiling Insulation1 like
ceiling insulation
Loose, blown-in material or fiberglass rolls mounted at the ceiling plane
Ceiling Joist 0 likes
The horizontal parts in a building or structure to which the ceiling material is secured; also called Roof Joists
Ceiling Lath 0 likes
Sheets of expanded metal, gypsum or wood lath secured to a ceiling to provide a plaster base; ceiling lath is often used by contractors
Ceiling Molding1 like
Molding that forms a projection at the top of a wall
Ceiling Mortar 0 likes
Especially rich wall mortar
Ceiling Painting 0 likes
Applying paint by brush, roller, or spray gun to the ceiling of a structure
Ceiling Plenum 0 likes
Space below the flooring and above the suspended ceiling that houses the mechanical and electrical equipment used as part of the air distribution system
Ceiling Price 1 like
Maximum price that a buyer will pay to buy or lease a property
Ceiling Removal 0 likes
Demolition and removal of ceiling materials
Ceiling Sound Transmission Class 0 likes
A measure of lowering of sound transmission via plenum path between two rooms
Cell 2 likes
A void space
A room in a prison or jail
Hollow openings in building tile or cement blocks
Cellar 0 likes
Cellular Concrete 2 likes
A light product for cellular concretes containing binder ingredients other than portland cement; also called Foam Concrete or Gas Concrete
Cellular Decking 0 likes
Metal floor or roof deck panels made of steel sheets which during construction supports wet concrete and construction loads, but has no structural function when construction is complete
Cellular Raceway 0 likes
Hollow areas of cellular metal floors with fittings that enclose electrical and telephone conductors
Cellulose 0 likes
The carbohydrate that is the main part of wood and the framework of wood cells
An organic substance from the cotton plant used in the manufacture of paints and other materials
Celotex ™ 0 likes
Black fibrous board used as exterior sheething
Cement1 like
The gray powder glue in concrete; portland cement
Cement Base Paint 1 like
Paint made of portland cement, lime, pigment, and other ingredients sold as dry powder that needs to be mixed with water
Cement Body Tiles 1 like
Tiles formed from a mixture of sand and portland cement
Cement Color 0 likes
Colored powdered or liquid pigments added to a mix to add color to concrete
Cement Content 1 like
The amount of cement in a unit volume of concrete or mortar defined in pounds, barrels, or bags per cubic yard
Cement Factor 0 likes
The number of bags or cubic feet of cement per cubic yard of concrete; see Cement Content
Cement Fiber 0 likes
A threadlike structure added to cement to toughen and strengthen the cement
Cement Fiber Board 1 like
A compressed, bonded concrete building sheet
Cement Gel 0 likes
The colloidal, glue like, material that makes up the major portion of the porous mass of which hydrated cement paste is composed
Cement Grout1 like
cement grout
A cementitious uniform paste that fill joints and cavities between masonry units
A thin mortar employed to finish joints between tile units
Cement Mortar1 like
cement mortar
A mixture for plastering over masonry or to lay brick, block, or tile
Cement Plaster2 likes
cement plaster
Plaster having portland cement as its binder; employed on external surfaces and damp areas
Gypsum plaster used with sand for basecoat plaster; also called Neat or Hardwall plaster
Cement, Keenes 2 likes
See Keenes Cement
Cement, Masonry 0 likes
Hydraulic cement used in mortars for masonry construction
Cementitious 0 likes
With cementing characteristics; generally employed with substances such as portland cement and lime
Cementitious Material 0 likes
A component of plaster, mortar, or concrete that when combined with water provides plasticity for placement; on setting or hardening it binds particles into a rigid heterogeneous mass
Cementitious Topping 0 likes
A compound that sets like concrete on a concrete base to produce a floor surface
Cenotaph 0 likes
A tomb or monument to honor a person or people whose remains are elsewhere
Center 1 like
The middle point of a line, circle, or sphere, equidistant from any point on the circumference or surface; a pivot or axis of rotation
A place or group of buildings creating a pivotal point in a district or city
Center Matched 2 likes
See Tongue and Groove
Center of Gravity 0 likes
The point at which the body weight may act; center of mass
Center Pole 1 like
Column in the center of a spiral stair that supports stair treads
Center to Center (C to C) 1 like
The dimension from the centerline of one part to the centerline of the next part
Center-Hung Sash 0 likes
A sash hung on its center that swings on a horizontal axis
Centering 0 likes
Transitory formwork for an arch, vault, dome or another overhead surface
Centering Shims 1 like
Small blocks of synthetic rubber or plastic that hold a sheet of glass in the frame center
Centerline 0 likes
A line equidistant from the sides of an object; drawn as a line of alternate dots and dashes
Centesimal Measure 0 likes
Division into hundredths
Division of the circle into 400 grads
Centigrade 0 likes
Thermometric scale where 0 degrees defines the freezing point of water and 100 degrees the boiling point; also known as Celsius
Centimeter 0 likes
A metric unit that equals one-hundredth of a meter or 10 millimeters and is equal to 2.54 inch
Centipose 0 likes
A metric unit of viscosity
Central Inverter 0 likes
A device that converts direct current to alternating current by mechanical or electronic means
Central System 1 like
An indoor system of conditioning air passed to various areas, serviced by the same source
Centrifugal 0 likes
Away from the center; opposite from centripetal
Centrifugal Compressor 0 likes
Pump that compresses gaseous refrigerants by centrifugal force
Centrifugal Force 1 like
A force that projects outwards on a body moving around a center
Centrifugal Pump1 like
centrifugal pump
A pump that draws water into the center of a high speed impeller and forces the fluid outward with velocity and pressure
Centrifuge, Laboratory 1 like
A laboratory device employing centrifugal force for separating substances of various densities, removing moisture, or simulating gravitational effects
Centripetal 1 like
Towards the center; opposite from centrifugal
Centripetal Force 1 like
A force that ensures a body moving around a center does not fly outwards
Centroid 0 likes
Center of mass
Ceramic 0 likes
Composed of clay and permanently hardened by heat
Ceramic Adhesive1 like
ceramic adhesive
Employed to bond tile to a surface
Ceramic Color Gaze 1 like
An opaque colored glaze of satin or gloss finish burned at high temperatures fusing glaze to body
Ceramic Insulator1 like
ceramic insulator
A device composed of ceramic non-conductive material employed in electrical installations
Ceramic Mosaic Tile2 likes
ceramic mosaic tile
An unglazed tile usually ¼ inch to 3/8 inch thick with a facial area of less than 6 inches usually installed on sheets around 2’ by 1’ to expedite setting
Ceramic Process 0 likes
Production of articles or coatings from inorganic, nonmetallic materials by applying heat at temperatures that cause sintering, solid-state reactions, bonding, or conversion partly or entirely to the glassy state
Ceramic Tile2 likes
ceramic tile
A clay tile used to finish a floor or wall usually used in bathtub and showers and on counter tops
Ceramic Veneer 1 like
A type of architectural terra cotta with larger face dimensions and thinner sections ranging from 1-1/8 inch to 2-1/2 inch in thickness
Ceresin1 like
A wax which is highly flexible
Certificate for Payment 1 like
A document provided to the general contractor by the architect, engineer, or owner approving payment for finished work
Certificate of Insurance 0 likes
A certificate provided by the general contractor confirming that he has the required insurance for the project; the certificate is issued by the insurance company or its agent and confirms insurance coverage and its expiration date
Certificate of Substantial Completion 1 like
A document provided to the general contractor by the architect, engineer, or owner stating that the project is complete, initiating the time for final payment to the contractor
Certified Check 0 likes
A depositor’s check guaranteed by the bank for payment
Cessation of Work 1 like
The end of work on a construction project without completion
CFC 0 likes
CFM 0 likes
The cubic feet per minute rating defines the amount of air a blower or fan can move. The volume of air (measured in cubic feet) that can pass through an opening in one minute
CFS 0 likes
Cubic Feet per Second
CGL Insurance 1 like
Comprehensive General Liability Insurance
CGSB 0 likes
Canadian General Standards Board
Chain1 like
Flexible connected metal links to support a load
Chain Binders 0 likes
In carpet making, yarns running lengthwise in the back of the carpet, binding all construction yarns together
Chain Hoist, Door1 like
chain hoist, door
Chain in a grooved pulley or sheave with a chain hook employed to hoist a big door
Chain Link Fence1 like
chain link fence
A fence made of a wire mesh fabric
Chain Link Fence Manufacturers Institute (CLFMI) 0 likes
10015 Old Columbia Road, Suite B-215, Columbia, MD 21046, Tel: (410) 290-6267 URL: http://www.associationsites.com/
Chain Trencher 0 likes
A self-propelled machine used to excavate trenches
Chain Warp 0 likes
Zigzag warp yarn that works over and under the shot yarns of the carpet, binding the backing yarns during carpet making; see Warp
Chair1 like
A seat with four legs and a back
A device that supports reinforcing bars while concrete is poured
Chair Rail 0 likes
Interior trim mounted around 3 feet to 4 feet up the wall horizontally
Chair, Hydrotherapy 0 likes
A device that enables immersion of a medical patient in water
Chair, Lifeguard 0 likes
A raised chair with a ladder that provides a lifeguard with an elevated view of a large area
Chair, Reinforcing 0 likes
Metal supports made of fabricated wire to secure reinforcing steel until concrete is poured
Chalk1 like
A form of calcium carbonate; see Whiting
A crayon for marking materials
Chalk Line 0 likes
A line created by snapping a taut string or cord dusted with chalk used for alignment
Chalk Rail 1 like
A trough installed under a chalkboard to store chalk and erasers and to catch the chalk dust
Chalk Reel1 like
chalk reel
A carpenter’s tool comprising a string reel and chalk in a container, employed to chalk a snap line and store the string
Chalkboard1 like
Board used for writing with chalk or liquid chalk
Chalking 1 like
The decomposing of paint film into loose powder on the surface
The powdering on an asphalt roof surface subject to ultraviolet degradation
Chamber 0 likes
A room; a bedroom
Chamfer 0 likes
A beveled surface cut on the corner of a wood piece
Chamfering 0 likes
Preparing a contour on the edge of a part for welding
Chamfering Strip 0 likes
Piece of stock positioned in an inside corner of a form to create a beveled edge
Chandelier1 like
Decorative, branched hanging fixture housing several candles or light bulbs
Change of State 1 like
Condition where a substance changes from a solid to a liquid or a liquid to a gas caused by heat, or the reverse
Change Order 0 likes
A document that modifies the plans, specifications and/or the price of the construction contract; may be signed by the architect or engineer, as long as they have written authority from the owner and that a copy of this written authority is provided to the contractor upon request; the contract amount and period may be changed only by change order
Change Order Proposal 0 likes
Written proposal document before it is approved and implemented by the contractor and owner; can be provided by the contractor or the owner; See Change Order
Change Order Request 1 like
A document provided by the owner requesting an adjustment to the contract amount or the contract period; usually issued by the architect or owner’s representative
Change Trailer 0 likes
A temporary vehicle used by personnel on a work site
Channel Block 0 likes
A concrete masonry unit used in a lintel
A hollow unit that serves as a channel for reinforcing steel and grout
Channel Closure Strip 1 like
A U-shaped resilient strip to close openings in metal panels and flashing
Channel Door Frame 0 likes
A U-shaped or L-shaped channel serving as a door frame
Channel Furring 0 likes
A sheet metal furring strip
Channel Slab 0 likes
A manmade watercourse of concrete
Channel Strap 0 likes
A U-shaped or L-shaped iron plate that connects two or more pieces of timber
Channel Valve 0 likes
A valve that controls the flow of water from a water course
Channels 0 likes
Ruts or grooves that develop in the wheel tracks of an asphalt pavement
Hot or coldrolled steel used for furring, studs and in suspended ceilings
Charcoal 0 likes
A shapeless form of carbon comprised of a porous black residue from partially burnt wood, bones or other substances; created by charring in a kiln where there is no air
Charge 0 likes
Amount of refrigerant in a refrigerating unit
Charging Board1 like
charging board
Panel or cabinet with gauges, valves, and refrigerant cylinders to charge refrigerant and oil into refrigerating mechanisms
Charles Law 0 likes
For a constant pressure, the volume varies directly as the absolute temperature, and for constant volume, pressure varies directly as absolute temperature
Chase 1 like
Framed closed space surrounding a flue pipe, channel in a wall, or through a ceiling for something to lie in or pass
Chattel 0 likes
Moveable personal property
Check Cracks 0 likes
See Craze Cracks
Check Valve1 like
check valve
A device which permits fluid or air to move in one direction; a valve which stops the backflow of water or other liquid by automatic closure
Checking 0 likes
Pattern of uneven surface cracks on the top of an asphalt roof; a preliminary stage of alligatoring
Cracks or fissures visible with age in exterior paint coatings
Checkrail 0 likes
A meeting rail thicker than a window sash that fills the opening between the top and bottom sash produced by the parting stop in the frame of double-hung windows; generally beveled
Checkroom Shelf1 like
checkroom shelf
A horizontal mounted surface where objects are stored and checked in a checkroom
Chemical Brown Stain 0 likes
A discoloration of wood that can happen during the air drying or kiln drying of several species due to the concentration and change of extractives
Chemical Extinguisher1 like
chemical extinguisher
A wheeled device or hand-held cylinder that holds chemicals that extinguish fire
Chemical Feed 0 likes
Injection of chemicals into pool water circulation to control pollution
Chemical Piping 1 like
Piping that carries concentrated chemical solutions from a feeding apparatus to the circulation piping
Chemical Porcelain 0 likes
Vitreous ceramic white wares for containing, transporting, or reactions of chemicals
Chemical Refrigeration System 0 likes
Cooling system employing a disposable refrigerant; also called an expendable refrigerant system
Chemical Resistance 0 likes
The effect of specific chemicals on the properties of materials
Chemical Toilet1 like
chemical toilet
A self-contained portable toilet unattached to a sewer line for shortterm use on a construction site
Chemically Active 0 likes
Pigments that react with acids at metal surface to stop rust formation
Chemically Pure (CP) 0 likes
Highest grade but not necessarily 100 percent pure
Chenille 0 likes
A pile fabric
Cherry Veneer 0 likes
Thin layer of cherry wood employed as a finished surface material
Chestnut Veneer 0 likes
Thin layer of chestnut wood employed as a finished surface material
Chicken Ladder 0 likes
A lightweight ladder that can be hung over the ridge on a steep roof
Chicken Wire1 like
chicken wire
Thin, galvanized, hexagonal, wire mesh on an external wall that serves as a base for stucco plaster
Chill Factor 0 likes
See Wind-chill
Chilled Water System 0 likes
A cooling system in which the entire refrigeration cycle happens in one piece of equipment; water brings the heat from the space to the evaporator section of the chiller and carries the heat outside from the condenser
Chiller1 like
Equipment that creates chilled water for circulation through a building
Chiller, Absorption 2 likes
A water cooling system that uses thermal energy – low pressure steam, hot water, or other hot liquids to produce the cooling effect
Chime 1 like
Device for chiming a bell or a set of bells
Electrical device employed as a door bell started with a push button
Chimney 0 likes
A vertical, noncombustible structure with one or more flues to convey smoke and other gases outside the building
Chimney Breast 0 likes
Projecting part of a chimney, particularly from the external wall of a building or into a room
Chimney Brick1 like
chimney brick
Brick used for constructing a chimney because it endures high temperatures without cracking
Chimney Connector1 like
chimney connector
Pipe connecting a heating appliance with the vertical flue
Chimney Effect 0 likes
Propensity of a gas to rise when heated
Chimney Flue 0 likes
A channel or shaft in a chimney for carrying smoke and exhaust gases outside
Chimney Lining 0 likes
Fire clay, terra cotta, or refractory cement inside a chimney
Chimney Pot 0 likes
An earthenware or metal pipe at the top of a chimney that reduces the opening and expands the updraft
Chimney Throat 0 likes
The narrowest part of a chimney next to the smoke shelf; damper location
Chimney, Masonry 0 likes
A vertical noncombustible structure with a flue to eliminate smoke and other gases
China1 like
Glazed or unglazed vitreous ceramic whiteware
China Clay 0 likes
China Process 0 likes
Method of creating glazed ware where the ceramic mass is fired to maturity, after which glaze is added and matured by firing at a lower temperature
China Wood Oil 0 likes
Tung oil
Chink 0 likes
Installing fiberglass insulation around external door and window frames, wall corners, and small gaps in the external wall
Chip Board 1 like
A wood panel made out of 1 inch to 2 inch wood chips and glue often employed as a substitute for plywood in the external wall and roof sheathing. Also called OSB (Oriented Strand Board) or Wafer Board
Chip Cracks 0 likes
See Eggshelling
Chipped 0 likes
Broken edges of fragments from the surface of a tile
Chipping 0 likes
Eliminating welding flaws and surface slag by a chipping chisel
Cleaning steel using special hammers
Paint failure
Chipping Hammer1 like
chipping hammer
A hand tool employed to chip excessive material from bricks, blocks, stones, or tiles
Chisel Edge 1 like
A tilted factory edge on gypsum board
Chisel, Cold1 like
chisel, cold
See Cold Chisel
Chisel, Wood0 likes
chisel, wood
See Wood Chisel
Chloramine 0 likes
See Ammonia
Chlordane 1 like
A chlorinated material employed as a pesticide
Chlorinated Isocyanurate 0 likes
Chlorine and cyanuric acid compound employed to maintain chlorine level in pool water and stop chlorine from dissolving due to sun exposure; see Conditioned Water
Chlorinated Polyvinyl Chloride 0 likes
Plastic employed to make pipe to convey hot water and chemicals
Chlorinated Rubber 0 likes
Employed as a binder and produced by chlorinating natural rubber
Chlorine1 like
A poisonous green-yellow gas employed for purifying water, bleaching, and manufacturing organic chemicals
Chlorine Demand 0 likes
Amount of chlorine needed to oxidize all organic material in pool water
Chlorine Residual 0 likes
Amount of chlorine left in pool water after the chlorine demand has been satisfied; the residual chlorine is on hand to oxidize other bacteria in water
Chlorofluorocarbon 0 likes
Commonly referred to as CFCs, were widely used in refrigerators and aerosol sprays, but are now considered toxic
Chock 0 likes
Heavy timber or wooden block secured under tires or wheels to stop movement
Choir 0 likes
Part of a cathedral or sizeable church between the altar and the nave
Choir Loft 0 likes
A gallery or balcony in a church to house a choir
Choke Tube1 like
choke tube
Throttling device employed to ensure accurate pressure difference between high-side and low-side in a refrigerating mechanism; also called Capillary tube
Chopper, Food1 like
food chopper
A device to chop food into smaller pieces
Chord 1 like
One of the main parts of a truss braced by web parts of the truss
Perimeter part of a building or structure that opposes lateral forces
Chroma 0 likes
Saturated, pure, or intensity of color
Chrome 0 likes
Chrome Green 0 likes
Mixture of chrome yellow and Prussian blue green pigment
Chrome Orange 0 likes
An orange pigment mainly made of basic lead chromate
Chrome Yellow 0 likes
Yellow pigment made by mixing solutions of lead acetate and potassium bichromate that resists corrosion very well
Chromium 0 likes
A blue-white metallic element employed as a shiny decorative coating
Chromium Oxide2 likes
chromium oxide
See Chromium Oxide Green
Chromium Oxide Green1 like
chromium oxide green
Green pigment permanent in color and resistant to alkali and heat
Chromometer1 like
Instrument employed to describe the color of light liquids and oils; also called a Colorimeter
Chronometer1 like
A time instrument; a clock
Chuck 0 likes
An attachment for securing a tool in a machine such as a bit on a drill
Chute 0 likes
A tilted plane or sloping channel which allows the passage of materials
Chute, Mail 0 likes
See Mail Chute
Chute, Trash0 likes
chute, trash
See Trash Chute
CI 0 likes
Cast iron
Circle Cutter1 like
circle cutter
An adjustable scribe tool that cuts circular patterns and openings for light fixtures and other devices in gypsum board
Circuit 1 like
Path of an electric current from the source
Circuit Breaker2 likes
circuit breaker
A device similar to a switch usually inside the electrical breaker panel or circuit breaker box that shuts off the power to parts or all of a home, and regulates the amount of power flowing through a circuit; 110 volt household circuits need a fuse or circuit breaker with a rating of 15 to 20 amps; 220 volt circuits deal with higher amperage; a heater designed for a 25 amp load requires a 25 amp fuse or breaker
Circuit Protector1 like
circuit protector
A device that opens an electrical circuit during an overload to protecting operating equipment and other parts
Circuit Vent 0 likes
Group plumbing vent from the front of the last fixture of the horizontal group to the vent stack; employed when the circuit conveys drainage from urinals, sinks, water closets, or stall showers
Circuit, Parallel 0 likes
See Parallel Circuit
Circuit, Pilot 0 likes
See Pilot Circuit
Circuit, Series 0 likes
See Series Circuit
Circular Mil 0 likes
Unit of length in wire sizes
Circular Saw1 like
circular saw
A power saw with a circular cutting blade; a portable hand tool or a stationary table saw
Circulation Path 1 like
Passageway for pedestrians, including aisles, hallways, corridors, walks, courtyards, and stairways
Circulation Piping System 1 like
The piping between a pool, spa or hot tub structure and the mechanical equipment; includes suction piping, face piping and return piping
Civil Engineer 0 likes
An engineer who designs public work such as roads, harbors, earthwork, piping, and waterworks
Cladding 1 like
Metal external building surfacing panels
In welding, see Surfacing
Cladding Panel 0 likes
A panel added to a structure to provide durability, weathering, corrosion and impact resistance
Clamp1 like
A mechanical tool that holds two or more pieces of material together
Clamp, Beam 0 likes
A device that holds a horizontal structural part to a vertical part
Clamp, Ground Rod 1 like
Device that connects the main ground wire to a cold water pipe in an electrical system
Clapboard 0 likes
Wood siding made of narrow boards thicker on one side than the other
Clarified Sewage 0 likes
Sewage from where some or all of the suspended matter has been eliminated
Class A 1 like
Optimum fire rating by Underwriter’s Laboratories on roofing; building codes in some places require this roofing to ensure fire safety
Class C 0 likes
Minimum fire rating provided by the Underwriters’ Laboratories for roofing materials
Classified Product 0 likes
A product labeled and listed by an approved laboratory with a factory follow up and inspection service
Classroom 0 likes
A room housing a class of students; part of a school
Classroom Lock2 likes
classroom lock
A doorknob in a classroom that can be locked from the inside
Classroom Lockset1 like
classroom lockset
A device in a classroom door that has a lockable doorknob and deadbolt
Claw Hammer2 likes
claw hammer
A hammer with one end of the head forked to extract nails
Clay1 like
A natural mineral aggregate; plastic when sufficiently wet, rigid when dry, and vitrified when fired to a high temperature used in the manufacture of brick
A heavy soil consisting of particles less than 1/256 mm in diameter
Clay Brick 1 like
Brick made from fine-grained materials primarily from hydrated silicates of aluminum
Clay Brick Floor 0 likes
Hard, baked or fired brick employed in flooring applications
Clay Coping 0 likes
The use of clay to produce a cap or finish on top of a wall, pier, or chimney
Clay Court 0 likes
Surface for athletic competition, such as tennis or track
Clay Floor Tile1 like
clay floor tile
Quarry tile that is fired and used for flooring
Clay Pipe1 like
clay pipe
Pipe used for drainage systems and sanitary sewers
Clay Tile2 likes
clay tile
Fired earthenware tile used on roofs and floors
Clay Tile Partition 0 likes
A group of hollow clay units to produce interior partitions; the surface is often grooved to accept plaster
Clean 2 likes
No foreign material
No binder in sand or gravel
Clean Out 1 like
Disposable drainage fitting which provides access to the inside of drainage piping to eliminate debris
Clean Out Door1 like
clean out door
Cast iron door at base of chimney to enable access to clean the ash pit
Clean Out Holes 0 likes
Openings in first course of a brick wall or cutouts in block wall to allow cleaning of mortar protrusions and droppings
Clean Room 0 likes
A dust-free room
Clean Surface 0 likes
Surface free of contamination
Cleaner1 like
Detergent, alkali, acid, or another cleaning substance
Solvent for cleaning paint equipment
Cleaning Masonry 1 like
The final removal of excessive grout, concrete, and construction soil from an external masonry structure
Cleanout Plug1 like
cleanout plug
A removable plug in a pipe fitting to eliminate blockages from a drainage pipe by cleaning
Cleanout, Storm Drain 1 like
An opening to a storm drain to enable removal of debris
Clear Ceramic Glaze 2 likes
A colorless or colored transparent ceramic glaze, translucent or slightly tinted, with a gloss finish
Clear Dimension 0 likes
The dimension between opposing inside faces or walls of an opening or room; also called Clear Opening
Clear Glaze1 like
clear glaze
Colorless or colored transparent ceramic glaze; see Clear Ceramic Glaze
Clear Opening 1 like
See Clear Dimension
Clear Span 0 likes
The horizontal distance between supports of a structural component
Clearance Space 0 likes
See Clearance Pocket
Clearstory 0 likes
Cleat 1 like
A small strip or block of wood, affixed to a secure surface used for attachment or as a toe hold or stopping device for another supporting part
Cleavage 0 likes
The natural tendency of stones and crystals to break or split in definite directions
Cleavage Membrane 1 like
Layer of 15 lb. roofing felt, similar construction paper or polyethylene sheeting, that isolates a wire reinforced mortar bed for tile from the concrete substrate
Cleft, Natural 0 likes
See Natural Cleft
Clerestory 0 likes
Upper row of windows in a high ceiling room above a lower adjoining roof; also called Clearstory
Clerk of the Works 1 like
Architects representative on the jobsite; called Architects Project Representative
Clevis Hanger2 likes
clevis hanger
A U-shaped metal hanger with the ends drilled to accept a pin or bolt to attach or suspend parts or piping
Clevis Pin2 likes
clevis pin
The bolt or pin employed to complete the connection in a Clevis Hanger
CLFMI 1 like
Chain Link Fence Manufacturers Institute
Clinch 0 likes
To turn over or flatten the projecting point of a nail to stop withdrawal
Clinker 0 likes
A fused or partly fused by-product of the combustion of coal
Clinker Brick 0 likes
Hard-burned distorted or bloated brick as a result of almost complete vitrification
Clinometer2 likes
An instrument that measures sloping or inclined angles
Clip Course 0 likes
Course of bricks resting on a clip joint
Clip Joint 1 like
A brick masonry thicker than normal joint that brings the course up to a necessary height; the joint is not thicker than ½ inch
Clip Ties 0 likes
Sharp, cut metal wires that jut out of a concrete foundation wall
Clock Receptacle1 like
clock receptacle
An electrical outlet box to connect and support a clock
Clock System1 like
clock system
A clock that controls the mechanical or electrical devices in a building
Cloister 0 likes
A covered passage on the side of a court
Close Nipple 1 like
The shortest length of a pipe that can be threaded externally from both ends that connects two internally threaded pipe fittings
Close-Coupled Toilet2 likes
close-coupled toilet
A toilet attached to its water tank
Close-Grained Wood 0 likes
Wood with narrow plain annual rings; wood with fine fibers and small close pores
Closed Circuit 0 likes
Electrical circuit
A television or telephone system where the signal is transmitted by wire to a limited number of receivers
Closed Joint 0 likes
Zero root opening in welding
Closet3 likes
Storage cabinet or room
Closet Bend 0 likes
An elbow drainage fitting linking a water closet to a branch drain
Closet Flange2 likes
closet flange
Fitting secured to a subfloor on which the toilet bowl is attached
Closet Pole2 likes
A horizontal, round rod mounted in a closet to hang clothes
Closet, Cedar1 like
closet, cedar
See Cedar Closet
Closing Entries 0 likes
Entries created at the end of a financial period to close all temporary accounts and transfer the net profit or loss to the owner’s equity or retained earnings account
Closing the Ledger 0 likes
Closing income and expense accounts at the end of the period and transferring the net profit or loss to the capital or surplus accounts
Closure Strip 0 likes
Resilient strip used to close openings produced by joining metal panels and flashing
Clothing Locker1 like
clothing locker
Cabinet with a door lock to hold clothes
Cloud 0 likes
A flaw in the title of real estate or property; when a property has a cloud on it, it is hard to sell or complete escrow
Cluster Development 0 likes
Close group of residential units with larger parcels of open land around the group
Clutch, Magnetic 0 likes
See Magnetic Clutch
CM 0 likes
Construction manager
Construction management
CMAA 0 likes
Crane Manufacturers Association of America
CMACN 0 likes
Concrete Masonry Association of California and Nevada
Concrete Masonry Association of California and Nevada
CMU 0 likes
Concrete Masonry Unit
CMU Grout 1 like
Concrete masonry unit grout
CO 1 like
Carbon monoxide
CO2 1 like
Carbon dioxide
CO2 Extinguisher2 likes
A portable fire-fighting instrument that distributes carbon dioxide to extinguish small fires
CO2 Indicator1 like
CO2 indicator
Instrument used to indicate the percentage of carbon dioxide in stack gases
CO2 Sprinkler System 0 likes
An overhead sprinkler system with Carbon Dioxide installed and set to start when excess heat or smoke activates built-in sensors
Coagulant 0 likes
A chemical compound, usually alum, used in swimming pools to collect and precipitate suspended materials
Coagulate 0 likes
Change from liquid into a dense mass; solidify; curdle
Coagulation 0 likes
Precipitation of colloids into a single mass; generally caused by excessive heat or catalysts
Coal Hopper Door 2 likes
Steel door to permit addition of coal to burning chamber
Coal Tar1 like
coal tar
A dark brown to black cementitious material created by destructive distillation of bituminous coal
Coal Tar Bitumen 2 likes
Coal Tar Pitch
Coal Tar Felt 0 likes
See Tarred Felt
Coal Tar Pitch 0 likes
A roofing pitch employed primarily in dead-level or low-slope roofs; coal-tar pitch comes in a narrow range of softening points from l40° F to l55° F
Coal Tar Solvent 0 likes
Made from distillation of coal tar
Coalesence 0 likes
Growth into one body of the base metal parts in welding
Coarse Aggregate 1 like
Concrete aggregate over ¼ inch diameter; crushed stone, gravel, slag, or other inert materials
Coarse Strainer1 like
coarse strainer
Basket in a pipeline that captures large debris before the pump
Coarse-Grained Wood 0 likes
Wood with noticeable wide annual rings; wood with large pores such as oak, ash, chestnut, and walnut; also called Coarse-Textured and Open-Grained
Coarse-Textured Wood 0 likes
See Coarse-Grained Wood
Coat of Paint2 likes
coat of paint
A layer of dry paint from a single application; single layer of paint provided at a particular time
Coat Rack2 likes
Coat Rack
Furniture used to hang coats
Coated Base Sheet 0 likes
A felt impregnated and saturated with asphalt then coated on both sides with harder, more viscous asphalt to reduce its permeability to moisture; a parting agent is included to stop the material from sticking in the roll
Coated Roof 0 likes
A roof with an asphaltic material to seal it against the elements
Coating 0 likes
A layer or covering added to a surface
Coating In 2 likes
Applying a coat of paint
Coatings 0 likes
Surface coverings
Coaxial Cable1 like
coaxial cable
A cable consisting of two concentric conductors separated by an insulating layer used for transmitting low voltage electronic signals
Cobalt Blue 1 like
Blue pigment produced by heating a mixture of cobalt oxide and aluminum hydrate
Cobalt Drier 0 likes
Powerful drier that is soluble in all drying oils; known as surface dryer
Cobble 1 like
Small round stone used for paving; a Cobblestone
Cobblestone 0 likes
A Cobble
Cobwebbing 1 like
Premature drying of a liquid surface that produces a spider web effect
Cock1 like
A device such as a faucet or valve that controls the flow of a liquid
Cockle 0 likes
A wrinkle or small depression in gypsum board face paper generally in the long or machine direction; also called a wrinkle
Code Blue System 0 likes
Electronic warning device in hospital rooms or health care facilities employed to notify caregivers of health emergencies
Code Installation 1 like
Refrigeration or air conditioning installation that complies with the local and/or national code for safe and efficient installations
Codes 0 likes
Current regulations, ordinances or statutory requirements authorized by governmental agencies involved with building construction and owner occupancy, embraced and administered for the protection of public health, safety and welfare; see Building Code
Coefficient 1 like
A multiplier that quantifies a property of a substance or operation
Coefficient of Conductivity 1 like
Relative rate that materials conduct heat; copper is a good conductor of heat and has a high coefficient of conductivity
Coefficient of Cubical Expansion 0 likes
See Coefficient of Volumetric Expansion
Coefficient of Expansion 1 like
Change in unit length, area or volume for one degree rise in temperature
Coefficient of Friction 0 likes
Mathematical relationship between the weight of an object and the force needed to slide it, taking into account the properties of the two materials, the angle of the surfaces and the force
Coefficient of Heat Expansion 0 likes
The rate of heat loss in BTU per hour through 1 square foot of a wall or another building surface when the difference between the indoor and outdoor air temperatures is 1 degree F; U-Value
Coefficient of Linear Expansion 0 likes
The change in unit length for a rise in temperature of 1°F
Coefficient of Performance (COP) 2 likes
Ratio of work performed or achieved to the energy used
Coefficient of Static Friction 1 like
The ratio of the limiting friction to the normal pressure
Coefficient of Thermal Expansion 1 like
Change in unit length, area, or volume for each degree change of temperature
Coefficient of Volumetric Expansion 0 likes
The change in unit volume for a rise in temperature of 1°F; also called Coefficient of Cubical Expansion
Coffer 0 likes
Recessed panel in a ceiling or dome
Coffered Ceilings 0 likes
Ornamental ceilings that have depressed or recessed panels
Cog 0 likes
A gear tooth
Cohesion 1 like
Sticking together tightly; tendency to cohere; soil quality of sticking together
Cohesive Failure 0 likes
Break down of an adhesive joint
Cohesive Soil 0 likes
A soil such as clay where the particles stick to each other by means of cohesive and adhesive forces
Coil 0 likes
A winding arrangement of a conductor around a core to convert voltage from low to high as in a transformer or to create a magnetic field as in a solenoid
Coil Deck 0 likes
Insulated horizontal partition between refrigerated and evaporator space
Coiled Pipe 0 likes
Tubing in rows, layers, or windings in steam and water heating, refrigeration condensers, and evaporators
Coin Washer1 like
A coin-operated public appliance for laundry of clothing
Cold 0 likes
Without heat; a temperature substantially below normal
Cold Air Return 0 likes
Ductwork and related grills that convey room air back to the furnace for re-heating
Cold Chisel1 like
cold chisel
A hand tool used for chipping concrete, stone, and similar materials
Cold Color 0 likes
See Cool Color
Cold Formed Steel 0 likes
Shaping steel without heat
Cold Joint 0 likes
A visible lineation produced when pouring of concrete is delayed; the concrete in place hardens before the pouring of adjacent concrete
A paving joint in road construction where one strip of asphalt is installed at a different time from the other and bonding is not enhanced
Cold Joint Lines 0 likes
Visible lines on the surfaces of formed concrete revealing the presence of joints where one layer of concrete had hardened before more concrete was poured
Cold Junction 0 likes
Part of a thermoelectric system that absorbs heat while the system is functioning
Cold Patch 0 likes
A roof repair achieved with cold material
Cold Rolled Steel1 like
cold rolled steel
Steel rolled to its final form at a temperature where it is no longer flexible
Cold Wall 1 like
Inner lining of a refrigerator serving as the cooling surface
Cold Water Paint 0 likes
Paint composed of casein, glue or a similar material dissolved in water; generally used on concrete, masonry or plaster surfaces
Cold-Checking 0 likes
Checking due to low temperature
Cold-Pressed Plywood 1 like
Internal plywood made in a press without external heat
Cold-Process Roofing 0 likes
A built-up roof made of coated felt layers bonded with cold-applied asphalt roof cement and surfaced with a cutback or emulsified asphalt roof coating
Cold-Setting Resin Glue 1 like
A resinbase glue powder that is mixed with water
Coliseum 0 likes
Large stadium or building like the Roman Coliseum for public entertainment
Collage 0 likes
Composition of materials such as photographs, fabric, metals, and wood glued to a backing
Collapse 0 likes
To cave, fall in or give way; failure of a structure
Collar 0 likes
Preformed flange positioned over a vent pipe to seal the roofing over the vent pipe opening; also called a Vent Sleeve
A compression ring surrounding a small round opening
Collar Beam 0 likes
Nominal 1 inch or 2 inch thick parts connecting opposite roof rafters that strengthen the roof structure
Collar Joint 0 likes
The vertical mortar joint between masonry wythes
Collar Tie 0 likes
See Collar Beam
Collateral 0 likes
Property promised or possessed by a creditor to guarantee payment of an obligation by a debtor
Collector2 likes
In structural analysis, a force transfer element that collects loads from a diaphragm (horizontal element) and transfers them to the shear walls (vertical element)
Devices used to collect solar energy and convert it to heat; a Solar Collector
Collector Efficiency 1 like
The ratio of heat energy removed from a collector to the quantity of solar energy striking the cover expressed in percent
Collet1 like
A metal band, flange, or ferrule
Colloid 0 likes
A mixture containing ultramicroscopic particles of a substance scattered evenly throughout another; also known as dispersion
Colloidal Suspension 0 likes
A substance composed of fine particles permanently suspended in a liquid
Collusion 0 likes
Illegal agreement between contractors to submit higher bids so that a chosen contractor’s bid is lower
Colonial Base 1 like
An architectural board or molding used against the bottom of walls to cover the joint with the floor and to protect the walls from damage
Colonial Molding 0 likes
Eighteenth century English Georgian molding style, reproduced and included in buildings
Colonnade 0 likes
A set of columns at regular intervals
Color 0 likes
Visual appearance of objects and light sources in terms of hue, lightness, and saturation for objects and hue, brightness, and saturation for light sources; a hue different from black, white, and gray
Color Retention 0 likes
When paint is exposed to the elements and maintains its color, it has good color retention
Color-Fast 1 like
Non fading
Color-In-Japan 0 likes
A paste produced by mixing a color pigment with Japan drier; used mainly for tinting
Color-In-Oil 0 likes
A paste produced by mixing a color pigment in linseed or another vegetable oil; used mainly for tinting
Color, Complementary 0 likes
See Complementary Color
Color, Primary 0 likes
See Primary Color
Colored Grout1 like
colored grout
Commercially prepared grout made of graded aggregate, portland cement, water dispersing agents, plasticizers, and color fast pigments
Colorimeter1 like
See Chromometer
Coloring Strength 1 like
The ability of pigments to color base material that is white or a light color
Colossus 0 likes
A statue of huge size or proportions
Columbarium 0 likes
A structure that has vaults for cinerary urns
Column2 likes
A structural component that supports axial compression loads; an upright structural part used mainly in compression
A square, rectangular, or cylindrical support for roofs and ceilings, made of base, shaft, and capital
Column Base 0 likes
The bottom part of a vertical supporting pillar
The plate below a column that disperses the load
Column Base Plate 0 likes
The part of a structure on which the column base is positioned
Column Cage 0 likes
A group of vertical reinforcing bars and ties for a concrete column
Column Capital 1 like
The top part of a column covering the shaft and absorbing the weight of the beam or girder
Column Cover 0 likes
The top part of a column
Column Fireproofing 0 likes
Applying fire-retardant materials to a column
Column Footing 0 likes
Concrete support for a column; known as individual footing and usually square or rectangular
Column Formwork 0 likes
The mold or outline of a column in which the concrete is poured
Column Furring 0 likes
Wood or metal strips on a column that create a fastening surface for a finish covering
Column Pier 1 like
Foundation part of plain or reinforced concrete to support a column
Column Reinforcing 0 likes
Embedded steel bars to reinforce a concrete column
Column Spiral 0 likes
A continuous steel coil reinforcing in a concrete column
Column Strip 0 likes
Two-way concrete floor or roof structure zone centered on a line of columns
Column Tie 2 likes
A steel bar loop that ties the reinforcing cage in a concrete column
Column, Concrete 0 likes
A long thin supporting pillar made from concrete and reinforcing steel
Column, Precast 1 like
A column cast and cured in another place other than its final position
Column, Sheetrock 0 likes
A column produced from gypsum wallboard
Column, Timber 1 like
Structural lumber, 5 inchor more in size, employed as a vertical compression component
Column, Wood 0 likes
Vertical wood structural component, generally carrying a beam
Columniation 0 likes
The arrangement of columns in a building
Comb Board 0 likes
See Saddle Board
Combination Switch1 like
combination switch
A switch that also has a receptacle
Combined Chlorine 0 likes
Chlorine combined with other substances; less effective than free chlorine
Combined Footing 1 like
A concrete footing that supports two or more columns
Combined Stress 0 likes
Combination of axial and bending stresses in a structural part
Combustible 1 like
Able to be burned
Combustion 1 like
Burning; consumption by fire; production of light and heat by combining a substance with oxygen
Combustion Air 0 likes
Duct work to convey fresh air from the outside to the furnace and/or hot water heater; usually two different supplies of air are brought in
Combustion Chamber1 like
combustion chamber
Part of a boiler, furnace or woodstove where the burn occurs
Comfort Chart 0 likes
Chart employed in air conditioning to display the dry bulb temperature, humidity and air movement for comfortable conditions
Comfort Cooler 0 likes
System employed to reduce the temperature in living spaces in homes; not complete air conditioners as they provide only partial control of heating, humidifying, dehumidification, and air circulation
Commerce 0 likes
Exchange, buying and selling of commodities, particularly on a large scale
Principles, strategies and techniques of business and office systems
Commercial Carpet1 like
commercial carpet
Carpet highly resistant to heavy traffic
Commercial Door1 like
Strong, durable door used in commercial buildings
Commercial Facilities 0 likes
Facilities that are intended for commercial use including factories, warehouses, office buildings, and other structures where people are employed
Commercial Matching 1 like
Matching of colors within acceptable parameters or with a variation that is barely discernable
Commercial Standard (CS) 1 like
U.S. Dept. of Commerce, Govt. Printing Office, Washington, DC 20402.
Commercially Acceptable Standards 0 likes
Standard of work performed by the average competent worker with a reasonable amount of imperfections; commercially acceptable standards applicable in the construction industry
Commingling of Funds 0 likes
Combining funds from different accounts into one account
Commission 0 likes
Fee paid to a broker or agent for services as an agreed percentage of the sales or lease
Fee paid to an agent or employee for transacting business or performing a service
Commissioning 0 likes
Start-up of a building to insure correct functioning and compliance to design criteria; also includes the instruction of building representatives on how to use the building systems
Commitment 0 likes
A legally enforceable agreement
Agreement from a lending organization to provide a real estate loan under particular conditions
Commode 0 likes
Chest of drawers
Chamber pot hidden in a chair with a hinged cover
Common Bolt1 like
common bolt
Usual carbon steel bolt
Common Bond 0 likes
Brickwork done with every five courses of alternating stretchers followed by a course of headers
Common Brick 0 likes
Inexpensive brick used as filler or backing; see Building Brick
Common Enemy Doctrine 0 likes
Legal doctrine that flood water is a common enemy and that property owners may protect their property even if it produces damage to a neighbor’s property
Common Vent 0 likes
A vent that connects two fixtures, performing as a vent for both fixtures
Communication 0 likes
Transmission of information
Communication Cable1 like
communication cable
A cable that transmits telephone, television, and computer signals
Communication Circuit 0 likes
A circuit that is part of a central station system such as telephone, telegraph, fire and burglar alarms along with their operating and signaling power supply equipment
Communication Manhole 0 likes
Manhole employed in the installation of communication conduits or cables
Community Kitchen 0 likes
Room for use by the occupants of two or more guest rooms for cooking or preparing food in a hotel or community center
Community Shopping Center 0 likes
An intermediate size shopping center
Commutator 0 likes
Part of rotor in electric motor that carries electric current to rotor windings
Compact Borrow 0 likes
Fill obtained from excavation that has been packed tightly
Compacted Concrete 0 likes
Freshly poured concrete that has been compressed to eliminate voids
Compacted Yards 0 likes
Cubic measurement of soil or rock after it has been positioned and packed tightly in a fill
Compaction 1 like
The process where the volume of freshly placed material is reduced or flattened by vibration or tamping, or some combination of these
Compaction Tile 0 likes
A hard tile surfacing unit produced from a mixture of chemicals
Compactor2 likes
A mechanical device that compresses objects into smaller units or enables the objects to take up less volume
Companion Flange0 likes
companion flange
A pipe connection device that matches another flange on a pipe or fitting
Comparative Negligence 0 likes
The legal doctrine that wrongdoers should pay damages directly proportional to their misdeeds
Compartment Kiln 0 likes
A kiln where the total charge of lumber is dried as a single unit
Compartment, Shower 0 likes
See Shower Compartment
Compass0 likes
A drafting tool used to drawing circles
A magnetic compass the defines direction
Compatibility 0 likes
Ability to mix with other components, substances, or situations
Compensating Errors 0 likes
Small errors where the pluses and minuses tend to cancel each other
Compensatory Damages 0 likes
A fee to compensate someone for economic loss due to the wrongful act of another person
Competitive Bidding 0 likes
When two or more contractors submit proposals for the same work
Complementary Color 0 likes
A color when combined with its complement produces gray; complementary color pairs include red and green, yellow and violet, and blue and orange
Completion Bond 0 likes
A bond assuring the lender that the project will be finished without liens
Completion Date 0 likes
The date in the construction contract for completion
Completion of Construction 0 likes
When the work stipulated in the construction contract is complete
Component 0 likes
A part or ingredient
Component Depreciation 0 likes
A way of determining depreciation of property by its individual parts instead of as a whole
Composite Beam 0 likes
A beam that made of two different materials in which the two materials perform as one such as a wood and steel beam
Composite Board 0 likes
A board made of compressed materials used for sheathing, wallboard, or as insulation
Composite Decking 0 likes
Decking made up of various materials such as concrete, wood, and steel
Composite Wall 0 likes
A wall that has two or more different types of masonry units, such as clay bricks and concrete blocks
Composition 0 likes
The parts of a substance or material
The constituents of any chemical
Composition Roofing 0 likes
Asphaltic roofing
Composition Shingles 0 likes
Shingles made or produced from composition roofing material
Compound Gauge1 like
compound gauge
Instrument for measuring pressures above and below atmospheric pressure
Compound Refrigerating Systems 0 likes
System employed to pump low-pressure vapors to condensing pressures
Compreg 0 likes
Wood which has been infused with synthetic resin and compressed reducing swelling and shrinking and increasing density and strength
Comprehensive General Liability 1 like
Insurance policy for comprehensive general liability
Compression 0 likes
Stress that tends to shorten or reduce the size of a material
Compression Bars 0 likes
Steel that opposes compression forces
Compression Block1 like
compression block
A very short wooden column
Compression Connector1 like
compression connector
A connecting device that uses a force to push together and squeeze
Compression Coupling1 like
compression coupling
A connecting device that produces a force that pushes together and crushes
Compression Elbow2 likes
compression elbow
A connecting device that joins two pipes at 90 degrees and uses a force that pushes together and crushes
Compression Faucet 0 likes
Faucet that prevents the flow of water by a flat washer closing against a seat
Compression Gasket1 like
compression gasket
A synthetic or rubber strip or washer that seals by being squeezed strongly
Compression Gauge2 likes
compression gauge
Instrument that measures positive pressures above atmospheric pressures usually calibrated from 0 to 300 psig (0-21.1 kg./cm2)
Compression Lug1 like
compression lug
A connector that fastens the end of a wire to a terminal using a force that pushes together and crushes
Compression Ratio 0 likes
Ratio of the absolute low-side pressure to the absolute high-side pressure in refrigeration
Compression Reinforcement 0 likes
Steel reinforcing bars in a reinforced beam positioned near the top of the beam to help resisting compressive forces
Compression Splice1 like
compression splice
A connection of two similar materials by a force that tends to shorten a component
Compression Strength 0 likes
Ability of a structural material to withstand compression forces as force per unit cross-sectional area or the specific resistance used in design calculations
Compression Valve2 likes
compression valve
Prevents the flow of water by a flat washer closing against a seat
Compressive Strength 0 likes
The measured resistance of concrete or mortar to axial loading in pounds per square inch of cross-sectional area
Compressor1 like
A machine that pressurizes a gas and transforms it into a liquid enabling heat to be removed or added; the main part of heat pumps and air conditioners
Compressor, Multiple Stage 0 likes
Compressor with two or more compressive steps
Compressor, Open Type 0 likes
Compressor where the crankshaft reaches through the crankcase and is run by an external motor; also called External Drive Compressor
Compressor, Reciprocating1 like
compressor, reciprocating
See Reciprocating Compressor
Compressor, Rotary1 like
compressor, rotary
Compressor which employs rotating devices to provide pumping action
Compressor, Single Stage 1 like
Compressor that has one compressive step between low-side pressure and high-side pressure
Computer Cable1 like
Computer Cable
Coaxial cable that transmits computer signals
Computer Floor 1 like
Special flooring that stops electrostatic buildup and sparking in a computer room; usually above the floor to enable wires to run between the components in the room
Computer Hardware1 like
Computer Hardware
Physical equipment, including the keyboard and mouse, processing unit, and the screen and printer
Computer Language 0 likes
A code used to write a computer program
Computer Software 0 likes
The programs that make a computer function
Computerese 0 likes
Arcane jargon employed by computer technologists
Concave 0 likes
Curved or rounded inward; the opposite of convex
Concave Joint 1 like
An inexpensive mortar joint formed with a special tool or a bent iron rod that is weather resistant
Concealed Grid 1 like
A suspended ceiling framework that supports tiles and panels and is completely concealed by them
Concealed Picture Mold 1 like
A recessed horizontal slot in a plaster wall used to hang pictures and other objects
Concealed Z Bar 0 likes
A hidden z-shaped bar employed as a wall tie, the concealed Z bar is a critical construction resource
Concentrated Load 0 likes
A load at one point or small area of a structure or component
Concentrating Collector 0 likes
A device that employs reflective surfaces to concentrate the sun’s rays onto a smaller area where they are absorbed and transformed into heat energy
Concentration 0 likes
The strength of a solution; a concentrated substance
Concentric 0 likes
A common center or axis
Concrete 0 likes
Mixture of portland cement, gravel, sand, and water used for garage and basement floors, sidewalks, patios, foundation walls, etc.
Concrete Admixture1 like
concrete admixture
A substance combined with concrete to help impart color, regulate workability, assist in waterproofing, control setting, and entrain air
Concrete Beam 1 like
A horizontal structural component that transversely supports a load and conveys the load to vertical parts, made of a composite material consisting of coarse aggregate, cement, sand and water
Concrete Block 0 likes
A hollow concrete brick usually 8 inches x 8 inches x 16 inches in size
Concrete Block Bar Supports 1 like
Precast concrete blocks used to support bars above the subgrade, or to space bars off vertical forms and above horizontal forms
Concrete Block Removal 0 likes
Demolition of a concrete block structure
Concrete Board 2 likes
A panel composed of concrete and fiberglass usually employed as a tile backing material
Concrete Brick 0 likes
A solid concrete unit the same size and proportions as a clay brick
Concrete Column 0 likes
A long, thin supporting pillar composed of concrete and reinforcing steel
Concrete Cover 0 likes
Distance from a reinforcing bar to the exterior of a concrete component; also referred to as fireproofing, clearance, or concrete protection
Concrete Cutting 0 likes
Concrete cutting with a saw that has a carborundum blade; usually performed by specialty subcontractors with special equipment
Concrete Dowel1 like
concrete dowel
Reinforcing steel pin entrenched in concrete to reinforce two joining pieces or to provide a region where other pieces can be attached
Concrete Filled Pile 0 likes
A long thin concrete-filled construction element placed in the ground to support a load
Concrete Finish 3 likes
Final compression and finishing of curing concrete
Concrete Finish, Board 0 likes
Wooden board in the concrete formwork to provide a woodpattern finish to the finished reinforced concrete
Concrete Headwall 1 like
The end of a culvert or drain made of concrete
Concrete Manhole 0 likes
A vertical concrete access shaft extending from the surface to the underground
Concrete Masonry Unit (CMU) 0 likes
See Concrete Block
Concrete Mat 1 like
A metal reinforcement grid for concrete foundations, mats, or slabs
Concrete Mix1 like
concrete mix
Quantity of portland cement, fine aggregate, coarse aggregate, admixture, and water in concrete
Concrete Nail1 like
concrete nail
A harden steel nail that can be inserted into concrete or stonework
Concrete Paving 0 likes
Concrete employed for hard surfaces such as walks, ramps, and roads
Concrete Pile 0 likes
A precast thin reinforced concrete part embedded in soil by insertion into a predrilled hole
Concrete Pipe 0 likes
Pipe produced from concrete; the manufacturing is completed in a plant under controlled conditions; generally employed for drainage and sometimes for sanitary sewers
Concrete Placement 0 likes
The pouring of concrete
Concrete Plank 0 likes
A solid or hollow-core, precast and pre-stressed flat-beam used for floor or roof decking
Concrete Pole 0 likes
A vertical concrete component
Concrete Post 0 likes
A vertical concrete structure
Concrete Pump 0 likes
A device that forces concrete to the placing position via a pipeline or hose
Concrete Receptor1 like
concrete receptor
A precast concrete structure that forms the shower drain
Concrete Reinforcement 0 likes
Steel rods embedded in wet concrete to provide added reinforcement
Concrete Reinforcing Steel Institute (CRSI) 0 likes
933 North Plum Grove Road, Schaumburg, Illinois 60173-4758, Tel: (708) 517-1200, URL: http://www.crsi.org/
Concrete Removal 0 likes
Demolishing old concrete into manageable pieces
Concrete Repair 0 likes
Restore concrete by replacing a section or repairing the broken parts
Concrete Saw Cut 0 likes
A cut in hard concrete with diamond or silicone-carbide blades or discs
Concrete Sheet Piling 0 likes
Row of concrete piles to produce a tight wall to oppose the lateral pressure of water, earth or other substances
Concrete Sleeper 0 likes
Wood strips positioned on a rough concrete floor on which finished wood floor is nailed
Concrete Testing 0 likes
Testing to determine the flexibility or strength of concrete
Concrete Topping 0 likes
A fine aggregate concrete mixture used to top concrete floor surfaces for durability, safety and appearance
Concrete Waterproofing 0 likes
Adding a material to concrete to make it watertight
Concrete, Cellular 0 likes
See Cellular Concrete
Concrete, Fibrous 0 likes
See Fibrous Concrete
Concrete, Field 0 likes
See Field Concrete
Concrete, Foamed 0 likes
See Foamed Concrete
Concrete, Green 0 likes
See Green Concrete
Concrete, Lightweight 0 likes
Concrete that is much lighter in weight than that made from gravel or crushed stone
Concrete, Normal Weight 1 like
See Normal Weight Concrete
Concrete, Plain 0 likes
See Plain Concrete
Concrete, Precast 0 likes
Concrete parts that after curing and hardening are installed in their final useful place
Concrete, Prestressed 0 likes
See Prestressed Concrete
Concrete, Pumped 0 likes
See Pumped Concrete
Concrete, Reinforced 0 likes
See Reinforced Concrete
Concrete, Structural Lightweight 0 likes
Concrete containing lightweight aggregate, weighing no more than 115 pounds per cubic foot
Concrete, Terrazzo 0 likes
See Terrazzo
Concurrent 0 likes
The point where the line of action of various forces meet
Concurrent Heating 0 likes
Application of additional heat during welding or cutting
Condensate 0 likes
A product produced by cooling vapors of a substance that is being distilled
Condensate Pump1 like
condensate pump
A pump that eliminates water from an air-cooling unit
Condensation 0 likes
Drops of water and frost that accumulate on the inside of the external covering of a building; a vapor barrier beneath the gypsum lath or dry wall on exposed walls decreases condensation
Condensation Drain1 like
condensation drain
A drain pipe to convey condensed water from the atmosphere
Condense 0 likes
Changing a gas or vapor to a liquid
Condenser1 like
A heat exchanger in a refrigeration cycle that discharges heat to the exterior ranging from water cooled, air cooled, and evaporative; condenser water is usually circulated through a cooling tower from where heat is dispersed to the surrounding air
Condenser Comb1 like
condenser comb
Comb-like device that straightens the metal fins on condensers or evaporators
Condenser Fan1 like
condenser fan
Forced air device that moves air through an air-cooled condenser
Condenser, Air Cooled1 like
condenser, air-cooled
Heat exchanger that transfers heat to the atmosphere
Condenser, Water Cooled 0 likes
Heat exchanger that transfers heat from hot gaseous refrigerant to water
Condensing Pressure 0 likes
Pressure inside a condenser such that refrigerant vapor becomes a liquid; differs with the temperature
Condensing Temperature 0 likes
Temperature inside a condenser such that refrigerant vapor becomes a liquid; differs with the pressure
Condensing Unit1 like
condensing unit
Exterior component of a cooling system that includes a compressor and condensing coil to give off heat
Part of a refrigerating mechanism that pumps vaporized refrigerant from the evaporator, compresses it, liquefies it in the condenser and conveys it to the refrigerant control
Condensing Unit Service Valves 0 likes
Shutoff valves mounted on condensing unit that service technicians use to install or service a unit
Conditioned Air 0 likes
Air that is heated, cooled, humidified, or dehumidified to produce a comfortable interior area; also called Tempered Air
Conditioned Water 0 likes
Water treated with cyanuric acid or chlorinated isocyanurate to stop chlorine from evaporating in sunlight
Conditions, Convenants, and Restrictions (CC & Rs) 0 likes
The standards that define how a property can be employed and the protections for all owners in a subdivision
Condominium 0 likes
Individual ownership of a unit in a multi-unit development including ownership of an interest in common with other owners of common areas and facilities that support the structure
Conductance 0 likes
The ability of a substance to conduct electric current or heat
Conduction 0 likes
The direct transfer of heat energy through a material
Conductive 0 likes
Able to conduct or transmit heat, electricity, or static electricity
Conductive Floor 0 likes
Flooring material that stops electrostatic buildup and sparking
Conductive Mortar 0 likes
A tile mortar with electrical conductivity
Conductive Terrazzo 0 likes
A tile that stops electrostatic buildup and sparking made from conductive materials
Conductive Tile 0 likes
Tile with specific properties of electrical conductivity
Conductivity 0 likes
Rate of heat transmission through a material
Conductor1 like
A substance or body capable of transmitting electricity, heat or sound
Conductor, Aluminum 0 likes
An aluminum wire or cable that transmits electrical current
Conductor, Copper1 like
conductor, copper
A copper wire or cable that transmits electrical current
Conductor, Stranded1 like
conductor, stranded
Fine wires twisted around a center wire or core employed as an electric conductor
Conduit 0 likes
Protective sleeve or pipe used for individual electrical conductors
Conduit, Aluminum 0 likes
A pipe made of a light alloy material that encloses electric wires to protect them
Conduit, Cap1 like
Cap, conduit
A cap on the end of a length of conduit to protect the threads or end the conduit run
Conduit, Electrical 0 likes
A pipe with installed wire
Conduit, EMT 0 likes
See EMT Conduit
Conduit, Flexible 0 likes
See Flexible Conduit
Conduit, Galvanized 0 likes
See Galvanized Conduit
Conduit, Plastic Coated 0 likes
See Plastic Coated Conduit
Conduit, Plug1 like
conduit, plug
A fitting screwed into the ends of conduit or conduit fittings
Conduit, PVC 0 likes
See PVC Conduit
Conduit, Steel 0 likes
See Steel Conduit
Cone1 like
A solid shape with a circular or curved plane base that tapers up to a point
The conical part of a gas flame next to the orifice of the tip
Cone, Slump 0 likes
See Slump Cone
Conference Room 0 likes
A meeting room
Configuration 0 likes
An arrangement of components in a specific form
Congo Gum 0 likes
A gum resin obtained from the Congo area in Africa
Conifers 0 likes
Conifers produce softwood lumber
Connection 0 likes
The union or joint of two or more different elements
Connection, Bus Duct 0 likes
See Bus Duct Connection
Connector Set Screw 0 likes
A screw on a connector fitting that connects two components
Connector, Compression1 like
connector compression
See Compression Connector
Consent of Surety 0 likes
Written guarantee to release the final payment to the contractor or make changes in the contract
Conservation 0 likes
The careful preservation and protection of a building, structure, or the environment
Conservatism 0 likes
A principle of accounting where each asset item on the balance sheet is a conservative figure or at the low end of its price range
Conservatory 0 likes
Greenhouse for tending and displaying plants
Consideration 0 likes
Money or a benefit from a promisee to a promisor in exchange for the promisor’s agreement to perform an action
Consistency 0 likes
Fluidity or viscosity of a liquid or paste; resistance of a substance to flow
Degree of flexibility or plasticity of fresh concrete or mortar; normally slump for concrete, and flow for mortar
Degree of fluidity or plasticity of asphalt cement at any specific temperature; the standard test temperature being 140° F (60° C)
Console 0 likes
An ornamental bracket that support a shelf
A cabinet or panel with controls and switches to operate lighting, sound, television, radio or computerized equipment
Consolidation 0 likes
Organizing fresh concrete to compact the particles and reduce or eliminate the voids
Consortium 0 likes
Combination of companies that invest in an enterprise too large for them as individuals
Constant 0 likes
A component of a relationship between variables that maintains its value
Constant Air Volume System 0 likes
Air handling system that produces a constant air flow while changing the temperature during heating and cooling
Constrictor 0 likes
Tube or orifice that limits the flow of a gas or a liquid
Construct 0 likes
To assemble and combine construction materials, systems and methods to produce a structure
Constructibility 0 likes
Capacity of a design to be developed into construction
Construction 0 likes
The act or process of constructing
Construction Change Directive 0 likes
A document that directs a change in the project specifications prepared by the architect and signed off by the owner and architect; the change directive can adjust the contract sum and contract period and may be employed in the absence of the contractor’s agreement
Construction Contract 0 likes
A legal document which specifies all considerations in a construction project including:
The contractor’s registration number
A statement of work quality such as “Standard Practices of the Trades” or “According to Manufacturers Specifications
Blue Prints or plans
A construction timetable including start and completion dates
A set of specifications
A fixed price for the work, or a time and materials formula
A payment schedule
A clause describing how disputes will be resolved
1A warrantee
Construction Cost 0 likes
Contractor costs for labor, material, equipment, and services; contractor’s overhead and direct construction costs; construction cost does not include monies paid to the architect, engineer and consultants, the cost of the land, rights-of-way or other costs stated in the contract documents as the owner’s responsibility; see Soft Costs
Construction Document Review 0 likes
Owner’s review of the borrower’s construction plans and specifications, list of materials, and cost breakdowns to confirm that these documents and estimates are achievable and comply with the proposed loan or project appraisal
Construction Documents 0 likes
Term used to represent drawings, specifications, addenda and relevant information associated with the construction of a project
Construction Documents Phase 0 likes
Third phase of the architect‘s basic services where the architect prepares working drawings, specifications and bidding information; the architect may prepare bidding forms, conditions of the contract, and the form of agreement between the owner and contractor
Construction Drywall 0 likes
Construction in which the interior wall finish is installed in a dry condition, usually in the form of sheets or wood paneling rather than plaster
Construction Industry Arbitration Rules 0 likes
Arbitration rules administered by the AAA and referred to in AIAs standard agreements for construction and architectural services
Construction Inspector 0 likes
See Project Representative
Construction Lender 0 likes
An institution or individual that lends money to a borrower to produce improvements on a property
Construction Lime 0 likes
Industrial calcium oxide added to produce adhesion
Construction Loan 0 likes
A shortterm interim loan to pay for the construction of a building or structure
Construction Management 0 likes
Organizing and directing people, materials, and equipment to implement the design
Construction Management Contract 0 likes
Written agreement which details the responsibilities for the achievement of project planning, design and construction given to a construction management firm
Construction Manager 0 likes
A person or entity that provides construction management services as an advisor or as a contractor
Construction Phase 0 likes
Fifth and final phase of the architect‘s basic services that includes the architect‘s administration of the construction contract(s)
Construction Schedule 0 likes
A time table for starting and completing each of the operations needed for the construction of a building or project
Construction Terms 0 likes
Construction terms are words or word combinations, employed to mean something very specific, or utilized in a particular area of knowledge or work
Constructive Notice 0 likes
Giving notice by recording it in the office of the county recorder or in a newspaper
Consultant 0 likes
A person hired by the owner or client to provide professional advice
Consumable Insert 0 likes
See Backing Filler Metal
Consumer Product Safety Commission (CPSC) 0 likes
4330 East West Highway, Bethesda, MD 20814, Tel: (301) 504-7923, URL: http://www.cpsc.gov/
Contact Ceiling 0 likes
A ceiling secured in direct contact with the construction above without furring
Contact Cement 0 likes
Neoprene rubber-based adhesive that bonds instantly on contact of parts being secured
Contact Fireproofing 0 likes
See Fireproofing
Contact Splice 0 likes
Connecting reinforcing bars by lapping in direct contact
Contaminant 0 likes
A substance that taints, infects, or pollutes; an impurity
Dirt, moisture, or other matter foreign to refrigerant or refrigerant oil in a refrigerant system
Contaminated 0 likes
Impure due to contact with a foreign substance
Contingency Allowance 0 likes
Money in a construction budget to cover unforeseen expenses
Continuity 0 likes
Uninterrupted, intact
Continuity Tester1 like
A device that states whether a circuit is capable of carrying electricity
Continuous Beam 0 likes
A beam that is held up by more than two supports
Continuous Cycle Absorption System 0 likes
System with a continuous energy input flow
Continuous Duty 0 likes
Service requirement that demands operation at a constant load indefinitely in an electrical system
Continuous Footing 0 likes
A concrete footing that supports a wall or two or more columns; the footing may vary in width and depth, also called a Strip Footing
Continuous Hinge1 like
continuous hinge
A hinge the same length as the moving part where it is applied; also called Piano Hinge
Continuous Load 0 likes
An electrical load where the maximum current is expected to continue at least three hours
Continuous Mix Plant 0 likes
A manufacturing facility for producing asphalt paving mixtures by a continuous volumetric proportioning system without definite batch intervals
Continuous Ridge Vent1 like
continuous ridge vent
Continuous ridge vent is a screened water-shielded vent that runs continuously along the ridge of a gable roof
Continuous Vent 0 likes
A vertical vent pipe that is a continuation of the waste drain
Continuous Waste 0 likes
Two or more fixtures that utilize one trap
Continuous Waste and Vent 0 likes
A vertical vent pipe in a continuous line with the waste line; below the point where the fixture drains into the pipe is the waste line, while the vent is above the point
Contour Interval 0 likes
The difference vertically between adjacent contour lines on a topographic map
Contour Lines 0 likes
The lines connecting points of equal elevation on a topographic map
Contour Map 0 likes
See Topographic Map
Contract 0 likes
Agreement or covenant between two or more people where each is bound to do or desist from performing an action and each procures a right to what the other promises
Contract Administration 0 likes
Contractual responsibilities of the architect and engineer during the construction of a project
Contract Award 0 likes
Owner’s notice to a contractor that a bid has been accepted
Contract Bond 0 likes
A written form of security from a surety company on behalf of an acceptable prime contractor or subcontractor guaranteeing full execution of the contract and all supplemental agreements, and for the payment of all legal debts due to the construction of the project
Contract Date 0 likes
See Date of Agreement
Contract Documents 0 likes
Documents in a construction contract consisting of the agreement between the owner and contractor, conditions of the contract, drawings, specifications, and addenda delivered before the contract is signed, as well as changes issued after execution of the contract
Contract of Adhesion 0 likes
A contract offered to a person in an inferior position who does not have an adequate way to negotiate more favorable terms
Contract of Sale 0 likes
See Land Contract
Contract Over-run (Under-run) 1 like
Difference between the original contract price and the final cost including all adjustments by approved change order
Contract Payment Bond 0 likes
A written form of security from a surety company to the owner, on behalf of an acceptable prime contractor or subcontractor, guaranteeing payment to all persons providing labor, materials, equipment, or services according to the contract
Contract Performance Bond 0 likes
A written form of security from a surety company to the owner, on behalf of an acceptable prime contractor or subcontractor guaranteeing the completion of the work according to the terms of the contract
Contract Period 0 likes
Number of days from the specified date of starting work to the specified date of completion, as specified in the contract
Contract Sum 0 likes
The total agreed upon amount payable by the owner to the contractor for the performance of the work under the contract documents; See Change Order
Contract Time 0 likes
Amount of time established in the contract documents for completing a specific project; usually stated in working days or calendar days. The contract time can only be changed by valid time extensions through change order
Contracting Officer 0 likes
Official owner’s representative authorized to act on their behalf in a specific project
Contraction 0 likes
Become smaller
Contraction Joint 0 likes
Formed, sawed, or tooled groove in a structure to weaken the plane and control the location of cracking due to the dimensional change of parts of the structure
Contractor 0 likes
Electrical relay to furnish power to electrical equipment; an electrically operated switch containing one or more sets of contacts that control one or more circuits
A person who enters into a contract to construct a building or structure; a builder; a licensed individual of company that agrees to furnish labor, materials, equipment and related services to perform specified