![]() ![]() Unlike rigid vinyl, it features a foam or cell-structure inside. ![]() Also used as a flashing to prevent rain water penetration.Ĭapstock: A material co-extruded with PVC formulated to offer a specific color, finish and/or function, such as heat resistance.Ĭasement: Window with sash cranking outward, to the right or left.Ĭasing: Exposed moulding or profile around a window or door, on either the inside or outside, to cover the space between the window frame or door jamb and the wall.Ĭaulking: A compound for filling joints and sealing cracks to prevent leakage of water and air.Ĭellular PVC: Extruded polyvinyl chloride material used in window and door components and trim. Two steel cables (or rods) fastened at the seat of the window, pass through the space hidden by the mullion covers to a truss or rafter above the window, where they are secured thus carrying the portion of the weight of the window not supported by the sub-sill.Ĭapping A thin covering material, of metal or vinyl that is fitted over another building component for weather protection and finished appearance. Usually features a large centre unit with two flanking units at 90 degree angles to the wall.īracket Support for a Bay or Bow Window: A rigid support fastened to the wall below a bay or bow window that supports that portion of the weight of the window not supported by the sub-sill.īrick mould: A type of external casing for windows and doors.īutt edge: The thicker bottom edge of a piece of beveled siding.Ĭable support: A method of support for a bay window. Usually features four or more window units in a radical or bow formation.īox Bay : A combination of window units that project to the exterior. Usually features a large center unit with two flanking units at 30 degree or 45 degree angle to the wall.īow Window: A combination window that projects to the exterior. For best results caulking should not bond with backer rod.īalance: Mechanical device (normally spring loaded) used in single- and double-hung windows as a means of counterbalancing the weight of the sash during opening and closing.īay Window: A combination of window units that project to the exterior. ![]() These units, also called curved-tops or round-tops are often placed over another window.Īrgon: An inert, non-toxic gas used in insulating glass units to reduce heat transmission.Īstragal: Center post between two swinging doors.Īwning: Window with sash swinging outward from bottom.īacker Rod: Ropes or Rods made of round flexible and compressible material that can be fit into a gap between two adjacent building components before applying caulking. (eg: siding, soffit, fascia, capping coil, rain gutter, window profiles)Īpron: Trim moulding fastened below the stool or sill of a window that covers the space between the window sill and the rough sill or window opening sill.Īrch-Top: A term used to describe a window unit with a curved frame. In the case of windows the CSA A440 standard for windows, the “A” measurement rates air infiltration.Īluminum: A light weight metal used for building components. Air-Barrier: That part of a wall assembly that prevents passage of air.Īir-Sealed: The application of material (usually a membrane or caulking type sealant) to a wall assembly that results in preventing air passage through the assembly.Īir Infiltration: Air movement through the building envelope. ![]()
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