Dictionary Of Terms

A

A/C
An abbreviation for air conditioner or air conditioning.
A/C Condenser
The outside fan unit of the Air Conditioning system. It removes the heat from the Freon gas and "turns" the gas back into a liquid and pumps the liquid back to the coil in the furnace.
A/C Disconnect
The main electrical ON-OFF switch near the A/C Condenser.
Aerator
The round screened screw-on tip of a sink spout. It mixes water and air for a smooth flow.
Aggregate
A mixture of sand and stone and a major component of concrete.
Air space
The area between insulation facing and interior of exterior wall coverings. Normally a 1" air gap.
Allowance(s)
A sum of money set aside in the construction contract for items which have not been selected and specified in the construction contract. For example, selection of tile as a flooring may require an allowance for an underlayment material, or an electrical allowance which sets aside an amount of money to be spent on electrical fixtures.
Amortization
A payment plan by which a loan is reduced through monthly payments of principal and interest.
Anchor Bolts
Bolts to secure a wooden sill plate to concrete, masonry floor or wall.
Annual Percentage Rate (APR)
Annual cost of credit over the life of a loan, including interest, service charges, points, loan fees, mortgage insurance, and other items.
Appraisal
An expert valuation of property.
Apron
A trim board that is installed beneath a window sill
Architect
One who has completed a course of study in building and design, and is licensed by the state as an architect. One who draws up plans.
Area wells
Corrugated metal or concrete barrier walls installed around a basement window to hold back the earth
Assessment
A tax levied on a property, or a value placed on the worth of a property.
Assumption
Allows a buyer to assume responsibility for an existing loan instead of getting a new loan.
Astragal
A molding, attached to one of a pair of swinging double doors, against which the other door strikes.
Attic access
An opening that is placed in the dry walled ceiling of a home providing access to the attic.
Attic Ventilators
In houses, screened openings provided to ventilate an attic space

B

Backfill
The replacement of excavated earth into a trench around or against a basement /crawl space foundation wall.
Backing
Frame lumber installed between the wall studs to give additional support for drywall or an interior trim related item, such as handrail brackets, cabinets, and towel bars. In this way, items are screwed and mounted into solid wood rather than weak drywall that may allow the item to break loose from the wall. Carpet backing holds the pile fabric in place.
Backout
Work the framing contractor does after the mechanical subcontractors (Heating-Plumbing-Electrical) finish their phase of work at the Rough (before insulation) stage to get the home ready for a municipal frame inspection. Generally, the framing contractor repairs anything disturbed by others and completes all framing necessary to pass a Rough Frame Inspection.
Ballast
A transformer that steps up the voltage in a florescent lamp.
Balloon
A loan that has a series of monthly payments with the remaining balance due in a large lump sum payment at the end.
Balloon framed wall
Framed walls (generally over 10\' tall) that run the entire vertical length from the floor sill plate to the roof. This is done to eliminate the need for a gable end truss.
Balusters
Vertical members in a railing used between a top rail and bottom rail or the stair treads. Sometimes referred to as \'pickets\' or \'spindles\'.
Balustrade
The rail, posts and vertical balusters along the edge of a stairway or elevated walkway.
Barge
Horizontal beam rafter that supports shorter rafters.
Barge board
A decorative board covering the projecting rafter (fly rafter) of the gable end. At the cornice, this member is a fascia board.
Base or baseboard
A trim board placed against the wall around the room next to the floor.
Basement window inserts
The window frame and glass unit that is installed in the window buck.
Base shoe
Molding used next to the floor on interior base board (sometimes called a carpet strip).
Bat
A half brick 
Batt
A section of fiber-glass or rock-wool insulation measuring 15 or 23 inches wide by four to eight feet long and various thickness\'. Sometimes "faced" (meaning to have a paper covering on one side) or "unfaced" (without paper).
Batten
Narrow strips of wood used to cover joints or as decorative vertical members over plywood or wide boards.
Bay window
Any window space projecting outward from the walls of a building, either square or polygonal in plan.
Beam
A structural member transversely supporting a load. A structural member carrying building loads (weight) from one support to another. Sometimes called a "girder".
Bearing partition
A partition that supports any vertical load in addition to its own weight.
Bearing point- A
point where a bearing or structural weight is concentrated and transferred to the foundation
Bearing wall
A wall that supports any vertical load in addition to its own weight.
Bearing header
(a) A beam placed perpendicular to joists and to which joists are nailed in framing for a chimney, stairway, or other opening. (b) A wood lintel. (c) The horizontal structural member over an opening (for example over a door or window).
Bedrock
A subsurface layer of earth that is suitable to support a structure.
Bid
A formal offer by a contractor, in accordance with specifications for a project, to do all or a phase of the work at a certain price in accordance with the terms and conditions stated in the offer.
Bi-fold door
Doors that are hinged in the middle for opening in a smaller area than standard swing doors. Often used for closet doors.
Binder
A receipt for a deposit to secure the right to purchase a home at an agreed terms by a buyer and seller.
Bi-pass doors
Doors that slide by each other and commonly used as closet doors.
Blankets
Fiber-glass or rock-wool insulation that comes in long rolls 15 or 23 inches wide.
Blocked (door blocking)
Wood shims used between the door frame and the vertical structural wall framing members.
Blocked (rafters)
Short "2 by 4\'s" used to keep rafters from twisting, and installed at the ends and at mid-span.
Blocking
Small wood pieces to brace framing members or to provide a nailing base for gypsum board or paneling.
Block out
To install a box or barrier within a foundation wall to prevent the concrete from entering an area. For example, foundation walls are sometimes "blocked" in order for mechanical pipes to pass through the wall, to install a crawl space door, and to depress the concrete at a garage door location.
Blow insulation
Fiber insulation in loose form and used to insulate attics and existing walls where framing members are not exposed.
Blue print(s)
A type of copying method often used for architectural drawings. Usually used to describe the drawing of a structure which is prepared by an architect or designer for the purpose of design and planning, estimating, securing permits and actual construction.
Blue stake
Another phrase for Utility Notification. This is when a utility company (telephone, gas, electric, cable TV, sewer and water, etc) comes to the job site and locates and spray paints the ground and/or installs little flags to show where their service is located underground.
Board foot
A unit of measure for lumber equal to 1 inch thick by 12 inches wide by 12 inches long. Examples: 1" x 12" x 16\' = 16 board feet, 2" x 12" x 16\' = 32 board feet
Boom
A truck used to hoist heavy material up and into place. To put trusses on a home or to set a heavy beam into place.
Bottom chord
The lower or bottom horizontal member of a truss.
Bottom plate
The 2x4 or 2x6 that lay on the sub floor upon which the vertical studs are installed. (Also called the \'sole plate\'.)
Brace
An inclined piece of framing lumber applied to wall or floor to strengthen the structure. Often used on walls as temporary bracing until framing has been completed.
Breaker panel
The electrical box that distributes electric power entering the home to each branch circuit (each plug and switch) and composed of circuit breakers.
Brick ledge
Part of the foundation wall where brick (veneer) will rest.
Brick lintel
The metal angle iron that brick rests on, especially above a window, door, or other opening.
Brick mold
Trim used around an exterior door jamb that siding butts to.
Brick tie
A small, corrugated metal strip @ 1" X 6"- 8" long nailed to wall sheeting or studs. They are inserted into the grout mortar joint of the veneer brick, and holds the veneer wall to the sheeted wall behind it.
Brick veneer
A vertical facing of brick laid against and fastened to sheathing of a framed wall or tile wall construction.
Bridging
Small wood or metal members that are inserted in a diagonal position between the floor joists or rafters at mid-span for the purpose of bracing the joists/rafters & spreading the load.
Buck
Often used in reference to rough frame opening members. Door bucks used in reference to metal door frame. See Window Bucks
Builder-included feature
All Biltmore Homes come with many of the most popular builder-included features. Builder-included features may include a specific style of cabinets, or a specific type of countertop. Biltmore Homes homebuyers can personalize their home by choosing from a range of colors for their standard features at no additional cost.
Builder\'s Risk Insurance
Insurance coverage on a construction project during construction, including extended coverage that may be added for the contract for the customer\'s protections.
Building codes
Community ordinances governing the manner in which a home may be constructed or modified.
Building insurance
Insurance covering the structure of the building.
Building paper
A general term for papers, felts, and similar sheet materials used in buildings without reference to their properties or uses. Generally comes in long rolls.
Built-up roof
A roofing composed of three to five layers of asphalt felt laminated with coal tar, pitch, or asphalt. The top is finished with crushed slag or gravel. Generally used on flat or low-pitched roofs.
Bull nose (drywall)
Rounded drywall corners.
Bundle
A package of shingles. Normally, there are 3 bundles per square and 27 shingles per bundle.
Butt edge
The lower edge of the shingle tabs.
Butt hinge
The most common type. One leaf attaches to the door's edge, the other to its jamb.
Butt joint
The junction where the ends of two timbers meet, and also where sheets of drywall meet on the 4 foot edge. To place materials end-to-end or end-to-edge without overlapping.
Buy down
A subsidy (usually paid by a builder or developer) to reduce monthly payments on a mortgage.

C

CO
An abbreviation for "Certificate of Occupancy". This certificate is issued by the local municipality and is required before anyone can occupy and live within the home. It is issued only after the local municipality has made all inspections and all monies and fees have been paid.
Caisson
A 10" or 12" diameter hole drilled into the earth and embedded into bedrock 3 - 4 feet. The structural support for a type of foundation wall, porch, patio, monopost, or other structure. Two or more "sticks" of reinforcing bars (rebar) are inserted into and run the full length of the hole and concrete is poured into the caisson hole
Cantilever
An overhang. Where one floor extends beyond and over a foundation wall. For example at a fireplace location or bay window cantilever. Normally, not extending over 2 feet.
Cantilevered void
Foundation void material used in unusually expansive soils conditions. This void is "trapezoid" shaped and has vertical sides of 6" and 4" respectively.
Cap
The upper member of a column, pilaster, door cornice, molding, or fireplace.
Cap flashing
The portion of the flashing attached to a vertical surface to prevent water from migrating behind the base flashing.
Capital
The principal part of a loan, i.e. the original amount borrowed.
Capital and interest
A repayment loan and the most conventional form of home loan. The borrower pays an amount each month to cover the amount borrowed (or capital or principal) plus the interest charged on capital.
Capped rate
The mortgage interest rate will not exceed a specified value during a certain period of time, but it will fluctuate up and down below that level.
Casement
Frames of wood or metal enclosing part (or all) of a window sash. May be opened by means of hinges affixed to the vertical edges.
Casement Window
A window with hinges on one of the vertical sides and swings open like a normal door
Casing
Wood trim molding installed around a door or window opening.
Caulking
(1) A flexible material used to seal a gap between two surfaces e.g. between pieces of siding or the corners in tub walls. (2) To fill a joint with mastic or asphalt plastic cement to prevent leaks.
CCA (Chromated Copper Arsenate)
A pesticide that is forced into wood under high pressure to protect it from termites, other wood boring insects, and decay caused by fungus
Celotex
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