This sealant achieves all test-verified STC/MTC by sealing gaps in partitions with a long-lasting, resilient, acoustical seal.
USG Sheetrock® Brand Acoustical Sealant is water-based, highly elastic and easy to apply with hand-gun equipment to vertical and horizontal surfaces (even overhead) without sagging. USG Sheetrock® Brand Acoustical Sealant is excellent for fire-rated partitions and acceptable for use at the perimeter of wall assemblies rated 1-3 hours.
29 oz tube
WARNING:Cancer and Reproductive Harm - www.P65Warnings.ca.gov