This section detail shows an isolated acoustic ceiling assembly consisting of three layers of gypsum board supported by six-inch metal studs framing, with four-inch insulation that increases to six inches at percussion areas. All penetrations through the gypsum board layer must be sealed using specialized sealant and backing. The ceiling is explicitly detailed as an isolated system, requiring that no part of the ceiling be supported or braced to the structure above.
SEE RCP STRUC VARIES GYP BD-1 (3) LAYERS INSUL 40 (4") (6" AT PERCUSSION) NOTES: 1. ALL PENETRATIONS THROUGH GYP BD-1 TO BE SEALED WITH GYP BD-24 & SEALANT. 2. THIS IS AN ISOLATED ACOUSTIC CEILING. DO NOT SUPPORT OR BRACE ANY PART OF THE CEILING TO THE STRUCTURE ABOVE. 6" <MET STUD-1> TYP UNO, SEE FOR ADDITIONAL NOTES / 9 A670
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