Plumbing · P-BHKGQ

Pipe Through Concrete Wall/Floor

Materials

Elements

Walls Floors / Slabs Insulation Anchors / Embeds Roof / Floor Openings

About this detail

A pipe penetration detail through a minimum four-and-a-half-inch thick concrete floor, concrete wall, or U.L. classified block wall accommodates a maximum ten-inch diameter steel pipe, four-inch diameter copper pipe, four-inch electrical metallic tubing, or four-inch conduit. The annular space is packed with a minimum four-inch thick mineral wool of four pounds per cubic foot density, complemented by a minimum half-inch depth of firestop sealant. A minimum half-inch bead of firestop sealant is applied at the surface joints. Walls require half an inch of sealant flush with both sides, while floors utilize an approved firestop sealant formulation.

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