| Hardware |
A window’s hardware includes locks, rollers, weather-stripping, balance systems, cords, chains, fasteners, hinges, pivots, lifts and pulls, and sash weights. |
| Head |
The top portion of the window where the sash meets the window header. |
| Hinge |
A movable joint that enables a window to swing open. |
| Hinged Patio |
A hinged patio consists of one moving part and one stationary part, with a hinge in between. |
| Hopper Window |
Hopper windows open inward, and can be entirely opened. The window is hinged at the bottom. |
| Intercept Spacer |
A spacer that is steel based, with a specially u-channel design to reduce the number of conduction paths. |
| Jamb |
The sides or vertical sections of a window frame. |
| Latch |
A device that holds a window shut, such as the metal device at the meeting rail of a double-hung window, or the fastener mounted on the stile of a casement window. |
Lift Handle |
A handhold for raising and lowering the sash. Handle implies that it is not continuous across the sash. |
Lift Rail |
The part of the sash of a window used to raise or lower the window. Applicable only to single hung and double hung windows. Rail implies that the handhold is continuous across the sash. |
Lite |
A unit of glass in a window that allows light to pass through. |
Lock |
A fastening device in which a bolt is secured and can be operated by a key to secure a window or patio door when in the closed position. |
Main Frame |
The head, sill and jambs sections of a window. |
Meeting Rail |
The horizontal members of a double-hung window which come together. |
Meeting Rails |
The area of a window where two sashes meet and locks are positioned. |
Member |
Any structural part of a window such as a rail or stile. |
Mesh |
Fabric made of either fiberglass or aluminum that is used to make screens for windows and doors. |
Molding |
A relatively narrow strip of wood used to conceal a joint or to emphasize the decoration of a structure. |
Muntin Grilles |
Wood, plastic or metal grilles designed for a single-lite sash to give the appearance of muntins in a multi-line sash, but are removable for ease in cleaning the window. |
Operator |
A crank-operated device for opening and closing casement or jalousie windows. |
Oriel Window |
A single or double hung window which has an uneven top and bottom sash that increases the sightline from inside the house. Most oriels have a 60/40 configuration. |
Patio Door |
A glass door that slides open and closed on adjustable tandem rollers. Available in two or three lite configurations with the operable panel available in any position. |
Pattern Grid |
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Picture Window |
The picture window has no moving parts. It is one large inoperable sash. |
PVC (Poly Vinyl Chloride) |
The most common plastic used in modern construction. It is an extruded molded plastic material used for window framing and as a thermal barrier for aluminum windows. |
