Architectural · A-32XSC

Rated Shaftwall Top Track at Concrete Metal Deck

Materials

Concrete Timber / Wood Gypsum / Drywall

Elements

Partitions Decks Anchors / Embeds

Connections

Deck Attachment Embed Plate

About this detail

A top-of-wall connection for a rated shaftwall partition intersects a concrete-filled metal deck. Fire safing insulation installs across the full width of the gypsum board on each side of the partition, accompanied by sprayed-on fireproofing filling the metal deck flutes. A 2-inch wide by 18-gauge metal anchor strap spans a minimum of two flutes on 16-inch centers, secured with powder-driven fasteners having a minimum 1-1/4 inch embedment. The metal top runner track utilizes a shaftwall metal J-runner attached to the anchor strap with minimum number 8 sheet metal screws at 16 inches on center, receiving the top of the metal CH studs. Rated spray-on sealant is applied to both sides of the partition type, overlapping a minimum of 1/2 inch onto the gypsum board and 1 inch onto the fireproofing. This construction meets a 2-hour fire rating under UL design number UL.HW.D.0102 and shaftwall UL 438.

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