Abstract
Damped drywall, specifically QuietRock, has been tested both by various NVLAP-accredited laboratories and in situ in a variety of assemblies as an acoustic treatment for the transmission of airborne sound through building partitions. The application of damped drywall and its use for noise control through building partitions continue to expand as the body of test data grows and analytic models are developed to support this class of materials. However, the manufacturer of QuietRock has conducted several research studies that illustrate how damped drywall can be used to improve the transmission loss over a broad range of frequencies and in various assemblies. This presentation is a summary of these research studies and serves as a guide for the application of damped drywall in building construction.
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