Architectural · A-4DN7X

Gypsum Shaft Wall Assembly Details and Schedule

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This one-hour fire-rated shaft wall assembly is constructed with C-H shaft wall studs or back-to-back E-shaped shaft wall studs, one-inch gypsum shaft liner board, and five-eighths-inch gypsum board layers. A sound attenuation blanket is included where scheduled. The accompanying schedule details stud sizes ranging from two-and-a-half inches to six inches, basic partition thicknesses from three-and-an-eighth inches to six-and-an-eighth inches, STC ratings, and UL Design U415 (A) fire test numbers.

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