Architectural · A-Z9C79

2 Hr Shaftwall Enclosure

Materials

Timber / Wood Metal (misc.)Gypsum / Drywall

Elements

Walls Partitions Floors / Slabs Anchors / Embeds

Connections

Bolted Connection Embed Plate

About this detail

A 33 mil minimum metal top runner track is anchored to the structural slab overhead using a minimum 3/8-inch expansion bolt spaced at 24 inches on center with a 2-1/2-inch minimum embedment and 2-1/2-inch minimum edge distance. The assembly incorporates 33 mil minimum C-H studs spaced at 24 inches on center supporting a 1-inch gypsum liner panel and sound attenuation fire blanket insulation. Metal J-runner tracks are fastened with a maximum 24-inch spacing and 300-pound minimum shear value. The finish side receives 1/2-inch Firecode C gypsum wallboard in three layers at duct enclosures or two layers at other locations, extending tight to the structure with a metal corner bead at the outside corner.

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