This two-hour rated partition assembly complies with Underwriters Laboratories designs U467 and U498. The wall construction features gypsum board layers enclosing a gypsum board shaft wall assembly and acoustic blanket insulation installed where specified. Joints are sealed with joint sealant at the base with a one-quarter inch minimum clearance.
PARTITION - 2HR UL DESIGN: U467 UL DESIGN: U498 JOINT SEALANT GYPSUM BOARD GYPSUM BOARD SHAFT WALL ASSEMBLY ? ACOUSTIC BLANKET INSULATION WHERE OCCURS GYPSUM BOARD 1 / 4 " M I N .
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