Architectural · A-FXT7N

Partition Head and Base Detail at Concrete Floor and Ceiling

Materials

Concrete Cold-formed Steel Timber / Wood Metal (misc.)Gypsum / Drywall

Elements

Walls Partitions Ceilings Floors / Slabs Decks Insulation Site / Paving Anchors / Embeds

Connections

Deck Attachment Embed Plate

About this detail

A fire-rated interior partition assembly anchors to a concrete floor slab at the base and a concrete over metal deck assembly at the head. The head condition incorporates a deflection track with two-and-a-half-inch legs secured by number ten sheet metal screws to each stud on both sides, with compressed mineral wool batt insulation and continuous firestop forming spray. The track is anchored to the overhead slab using minimum two-inch wide sixteen gauge metal straps at twenty-four inches on center with one-and-a-half-inch flute overlap on both sides, fastened with two powder-actuated Hilti X-U fasteners per strap conforming to ESR-2269. The wall framing consists of metal studs lined with two layers of gypsum board on both sides and filled with acoustical batt insulation. The base condition sits on a concrete slab-on-grade or fire-rated concrete over metal deck assembly, with a six-inch concrete curb where applicable, secured by a minimum twenty gauge continuous metal runner fastened with powder-actuated Hilti X-U fasteners at sixteen inches on center with minimum one-and-a-quarter-inch embedment per ESR-2269, and finished with a maximum one-inch continuous fire sealant on both sides.

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