Architectural · A-VHQP7

Rated Partition Head at Structural Steel Beam

Materials

Timber / Wood Gypsum / Drywall

Elements

Beams Anchors / Embeds

Connections

Embed Plate

About this detail

The head of a rated partition frames into a structural steel beam coated with spray-applied fireproofing. A metal top runner track with long legs provides a deflection-capable assembly, secured using an 18-gauge metal Z clip at 16 inches on center with minimum number 8 sheet metal screws. A 5/8-inch Type X gypsum board baffle is installed on both sides of the partition, utilizing one layer for a 1-hour rating or two layers for a 2-hour rating, attached to the metal top runner track with fasteners spaced 12 inches on center. Metal slip clips attach to the metal top runner track at each metal stud, maintaining a deflection gap in the gypsum board above the top of the metal stud. Gypsum board is attached to the metal studs only, terminating a minimum of 3 inches below the metal top runner track. Acoustic insulation is included where scheduled, and the assembly complies with UL head-of-wall rating number HW-D-1019 providing a 3-inch deflection capability.

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