Architectural · A-Q5RB6

Shaft Wall Assembly

Materials

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

Elements

Beams Walls Partitions Floors / Slabs Decks Roof / Floor Openings

About this detail

A one-hour rated shaft wall assembly under Underwriters Laboratories design U415 comprises conditions at the base, floor plan, head perpendicular to deck, and head at a steel beam. The core assembly consists of one-inch gypsum liner panels, four-inch CH metal studs, and five-eighths-inch Type X gypsum board. Fire-rated joint systems such as UL HW-D-0119, UL HW-D-0609, and UL BW-S-0016 are specified at the transitions to structural elements. Alternate configurations include variants with six-inch CH metal studs and double layers of gypsum board based on structural and acoustic requirements.

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