Definition for word: Rim Joist

The outermost joist that extends around the perimeter of the floor framing. AKA band joist.

Referrence from

In the framing of a building, a rim joist is the final joist that caps the end of the row of joists that support a floor or ceiling. A rim joist makes up the end of the box that comprises the sub flooring.

The rim joist is to a joist what the top or bottom plate is to a stud.

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