Mechanical · M-XMRDX

Piping Penetration of Non-Firewall Detail

Materials

Concrete Steel Masonry / CMU Metal (misc.)Gypsum / Drywall

Elements

About this detail

A pipe or conduit passes through a wall assembly using a flush sleeve with the annular space packed with fiberglass insulation for acoustical function. The pipe and insulation are centered within the sleeve, with the insulation continuing through the sleeve to butt against the wall. For gypsum wallboard partitions, a galvanized steel pipe or minimum 18 gauge galvanized sheet metal sleeve is provided and caulked or grouted in place. For masonry unit construction or poured concrete walls, a galvanized steel pipe sleeve is grouted into place, while precast concrete walls are core drilled and filled with non-shrink grout. Exposed pipes feature an escutcheon to cover the penetration, whereas concealed pipes do not.

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