Electrical · E-F7SRJ

Firestopping for Metal Conduit Penetration

Materials

Elements

Walls Partitions Ceilings Floors / Slabs Roof / Floor Openings

About this detail

A metal conduit penetrates a two-hour fire-rated wood or steel stud wall, ceiling, or partition with an annular space not exceeding three-sixteenths of an inch. Firestopping caulk is installed on both sides of the assembly, forced into the annular space flush with the exterior surface, and finished with a one-quarter-inch minimum diameter bead applied to the perimeter of the conduit at its egress.

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