Plumbing · P-SQQXC

Insulated Pipe through Gypsum Walls

Materials

Elements

Walls Waterproofing / Flashing Insulation

About this detail

An insulated steel pipe or copper tube ranging from one-half inch to six inches in diameter passes through a steel stud and gypsum wallboard assembly centered within a minimum twenty-two gauge galvanized sheet metal sleeve. The annular space features a full fill of Underwriters Laboratories approved mineral wool batt insulation with a minimum three-quarter inch and maximum one-inch clearance. Each side of the wall assembly is sealed with waterproof resilient fire-rated sealant and an Underwriters Laboratories approved fire-rated wrap strip applied in a minimum of three layers. An escutcheon is fitted at all pipes exposed to view.

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