Gypsum wallboard partitions intersect with acoustic sealing and firestopping provisions. Backer rods and joint sealant are provided at acoustic walls per specification section 07 90 05, with firestopping at rated walls per specification section 07 84 00. Metal studs frame the interior cavity, enclosed by gypsum wallboard layers on each side.
07 90 05 - BACKER ROD & SEALANT AT ACOUSTIC WALLS 07 84 00 FIRESTOPPING AT RATED WALLS SEE ASSEMBLIES
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