trimming joist


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trimming joist

1. A joist supporting one end of a header at the edge of an opening in a floor or roof frame, parallel to the other common joists. See also: Joist
2. A joist supporting one end of a header at the edge of an opening in a floor or roof frame, parallel to the other common joists.

trimming joist

A joist, supporting a trimmer, of larger cross section but of the same length as, and parallel to, the common joists.