Architectural · A-4DT72

2-Hour Shaft Wall Assembly

Materials

Timber / Wood Glass / Glazing Gypsum / Drywall

Elements

About this detail

A two-hour fire-rated shaft wall assembly is constructed with two-and-a-half-inch C-H studs spaced at twenty-four inches on center. One-inch type X gypsum shaftliner is installed on the shaft side, while two layers of five-eighths-inch type X gypsum wallboard are applied to the unit or common side. Glass fiber batt acoustic insulation fills the stud cavity. The overall assembly thickness measures three and three-quarters inches.

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