back jamb

back jamb

[′bak ‚jam]
(building construction)
backlining

back lining

1. A thin wood strip which lines a window casing, next to the wall and opposite the pulley stile, and provides a smooth surface for the working of the weighted sash; also called back boxing or a back jamb.
2. That piece of framing forming the back recess for boxing shutters.
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References in periodicals archive ?
Shim the bottom if necessary and tack the door temporarily to the back jamb with a bent 16d common nail.
Use lag bolts to secure the vertical tracks to the back jambs. The vertical tracks must be level with each other (see text).
A new garage door

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