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How do I treat the horizontal butt joints of the 1″ SHEETROCK Brand Gypsum Liner Panels in a USG Cavity Shaft Wall?

April 26, 2017brand butt gypsum horizontal joints liner Panels sheetrock treat

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How do I treat the horizontal butt joints of the 1″ SHEETROCK Brand Gypsum Liner Panels in a USG Cavity Shaft Wall?

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The Fire Resistance Rating does not require any joint finishing of the horizontal butt joints of the 1″ Liner Panels. We do recommend for heights over 12 feet the horizontal butt joints be staggered for proper structural integrity of the wall system. Please refer to USG System Folder System Catalog (SA926) for additional information.