Joist

Business / Construction / Joist: Wooden 2 X 8's, 10's, or 12's that run parallel to one another and support a floor or ceiling, and supported in turn by larger beams, girders, or bearing walls.

Joist Hanger

Business / Construction / Joist Hanger: A metal 'U' shaped item used to support the end of a floor joist and attached with hardened nails to another bearing joist or beam. MORE

Rim Joist

Business / Construction / Rim Joist: A joist that runs around the perimeter of the floor joists and home. MORE

I-Joist

Business / Construction / I-Joist: Manufactured structural building component resembling the letter 'I'. Used as floor joists and rafters. I-joists include two key parts: flanges and webs. The flange of the I joist may be made of lamin MORE

Ceiling Joist

Business / Construction / Ceiling Joist: One of a series of parallel framing members used to support ceiling loads and supported in turn by larger beams, girders or bearing walls. Also called roof joists. MORE

Roof Joist

Business / Construction / Roof Joist: The rafters of a flat roof. Lumber used to support the roof sheeting and roof loads. Generally, 2 X 10's and 2 X 12's are used. MORE

Sill

Business / Construction / Sill: (1) The 2 X 4 or 2 X 6 wood plate framing member that lays flat against and bolted to the foundation wall (with anchor bolts) and upon which the floor joists are installed. Normally the sill plate is MORE

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