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Balance Covers - Covers the balance cavity holding the balance system inside the jamb.
Balance Spring - A device for counterbalancing a sliding sash, generally associated with a double hung window, so that it can be held open at a position. (See Sash Balance or Balance)
Balance Shoe ? Part attached to bottom of balances that attaches balances to sash. A bar or pin on the sash fits in a "slot" in the shoe.
Balance System - A device for holding vertically sliding sash in any desired position through the use of a spring or weight to counterbalance the weight of the sash. (See Balance Spring or Sash Balance)
Basement Sash Unit ? (cellar sash unit) A sash unit, usually of the in swinging or hopper sash type, used for basement or cellar sash openings.
Bay Window - An angled combination of three windows that project out from the wall of the home. The windows are commonly joined at 30- or 45-degree angles. (See Bow Window)
Beveled Exterior - An angled extension from the frame that adds an aesthetically-pleasing dimension to the outside of the window.
Blind Stop ? A sash or window frame member applied to the exterior vertical edge of the side and head jamb in order to serve as a stop for window sash or screens.
Bottom Rail ? The bottom horizontal member of a window sash.
Bow Window - An angled combination of windows in 3, 4 or 5 lite configurations. The windows are attached at 9 & 15 degree angles to project a more circular, arced appearance. (See Bay Window)
Brick Molding ? A standard milled trim piece to cover the gap between the window frame and masonry opening. It is found on the exterior of doors and windows.
BTU ? This is the abbreviation of British Thermal Unit, and is a primary measure of heat. It is the amount of heat needed to raise the temperature of one pound of water 1 degree F.
Buck ? The jamb stud or header; wood buck.
Buck Opening ? The opening in a wall formed by the rough framing members; also stud opening.
Butt Joint ? A joint formed by square edge surfaces (ends, edges, faces) coming together; ends butt joint, edge butt joint. |
