Architectural · A-SZT9T

One-Hour Wall at Two-Hour Shaft Wall Head

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A rated head of wall joint connects to a Z-clip using two number ten sheet metal screws. The shaft wall follows UL Design U415, incorporating a one-inch gypsum liner panel and typical five-eighths-inch Type X gypsum board layers. The horizontal assembly is designed per UL Design U438 as a two-hour fire-rated assembly. A SLP-TRK brand slotted track, compliant with ICC ESR-1042, allows for vertical movement without fasteners connecting the gypsum board directly to the track. Continuous acoustic sealant up to one-half inch thick and UL-listed firestop sealant, design HW-D-0758, are applied on both sides.

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