What do floor joists primarily provide in a floor assembly?

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Multiple Choice

What do floor joists primarily provide in a floor assembly?

Explanation:
Floor joists are the horizontal members that form the skeleton of a floor. Their main job is to provide a solid base for the floor sheathing (the subfloor or decking) so that the surface you walk on can be nailed and finished properly. The joists carry the loads from the floor system down to the beams and walls, which then transfer those loads further to the foundation. The roof has its own framing, not the floor joists, and decorative elements don’t contribute to structural support. So the primary function of floor joists in a floor assembly is to support the floor sheathing.

Floor joists are the horizontal members that form the skeleton of a floor. Their main job is to provide a solid base for the floor sheathing (the subfloor or decking) so that the surface you walk on can be nailed and finished properly. The joists carry the loads from the floor system down to the beams and walls, which then transfer those loads further to the foundation. The roof has its own framing, not the floor joists, and decorative elements don’t contribute to structural support. So the primary function of floor joists in a floor assembly is to support the floor sheathing.

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