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STC 49, 525 retrofit on one side of single wood studs

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Acoustic test performed on an assembly built on 2x4 wood studs, 24 O.C., with QuietRock 525 on top of a layer of 5/8" gypsum on one side and single layer of 5/8" gypsum on the other.

Test Report: TLA-05-052; B3440.1