A joist is a flat column positioned parallel at a set that carries the horizontal load above it. Joists can encourage a ceiling or a floor.

Studio One-Off Architecture & Design

The exposed joists here span the space from wall to wall, or maybe the whole house.

Jane Kim Design

These joists are held up with a fall beam. For apartment ceilings covered in wallboard, a flush beam must be used.

Kleppinger Design Group, Inc..

Though many times salvaged beams are additional as ceiling ribbon, these joists are truly structural.

Arcanum Architecture

These joists are retained from twisting and warping by the timber blocks between them, above both fall beams covered in wallboard.

PLACE architect ltd..

These truss-like beams comprise an open web steel joist.

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