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USG Area Separation Wall Systems Brochure (English) - …
www.usg.com2-Hour Fire-rated Construction Non-load-bearing Acoustical Performance Reference ... Separation wall (non-load-bearing) UL Des U336 SA92546 2 • 1 Sheetrock gypsum liner panels • 2 USG H-studs 24 o.c. Based on 2Protected wall (bearing or non-load-bearing) of wood or steel studs each side min 3/4 from