Drywall Acoustical Sealant
This information reflects our best understanding of product composition in 2015.
This CP describes a non-hardening sealant to fill gaps in wall, floor, and ceiling systems, preventing sound leakage to maintain STC (sound transmission class) ratings. Sealant is designed to fill gaps around the perimeter, at unbacked seams, and...
This CP describes a non-hardening sealant to fill gaps in wall, floor, and ceiling systems, preventing sound leakage to maintain STC (sound transmission class) ratings. Sealant is designed to fill gaps around the perimeter, at unbacked seams, and around penetrations. Material is applied with a standard caulk gun per ASTM C919. The overwhelming majority of acoustical sealants for this purpose are water-based acrylic sealants, which was investigated for this CP.