Architectural · A-ZTBGF

Rated Partition Head at Concrete Fill Over Metal Deck

Materials

Concrete Steel Timber / Wood Gypsum / Drywall

Elements

Walls Partitions Decks Anchors / Embeds

Connections

Deck Attachment Embed Plate

About this detail

This fire-rated partition head detail anchors a metal stud partition to a concrete fill over metal deck assembly with a code-compliant head-of-wall joint. The metal top runner track is twenty gauge minimum with two-and-a-half-inch slotted legs, attached using one-eighth-inch powder-driven fasteners at twelve inches on center with one-inch minimum embedment. Gypsum board is attached to the metal studs only, stopping a minimum of one-half inch below the metal top runner track to create a deflection gap at the top of the gypsum board. A continuous three-quarter-inch by one-inch by twenty-five gauge metal angle with three-point-four pound galvanized expanded metal lath is attached with fasteners at twelve inches on center and overlaps onto the rated partition type by two-and-three-quarters inches minimum. A sprayed-on fireproofing deck flute closure seals the top of the assembly. Acoustic insulation is included within the stud cavity as scheduled.

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