This assembly details non-rated acoustical partitions constructed with metal studs, acoustical insulation, and varying layers of gypsum board on each side to achieve sound transmission class ratings between 39 and 49.
(1) LAYER GYPSUM BOARD ACOUSTICAL INSULATION AT 01-- NON-RATED PARTITION STC: 02-- NON-RATED ACOUSTICAL PARTITION 39 MTL STUD 02-- (1) LAYER GYPSUM BOARD AT 22-- STC: 22-- NON-RATED ACOUSTICAL PARTITION 39 ACOUSTICAL INSULATION AT (1) LAYER GYPSUM BOARD EACH SIDE 03-- NON-RATED PARTITION STC: 04-- NON-RATED ACOUSTICAL PARTITION 45-49 MTL STUD 04--
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