Vinyl or metal covering applied to the side jambs of double hung and single hung windows. Jamb liners are generally formed to include an integral balance system and stops for the exterior and interior surfaces of the sash.
Small strip of wood, either surfaced four sides or tongued on one edge, which, when applied to the inside edge of a window jamb, increases its width.
The tracks found inside the jambs of double-hung and single-hung windows on which the sash slide up and down.
In a modern double-hung window, the track installed inside the jambs on which the window sashes slide.
Thin strips of wood attached to the head jamb, side jambs and sill to accommodate various wall thicknesses. Common jamb depths are: 4 9/16", 4 13/16", 5 1/16" and 5 3/16".
The tracks located inside the jambs of a double- and single-hung window on which the sash slide up and down.