QuietSeal® Pro is a high performing, non-hardening acoustical sealant used to maintain optimum acoustic performance of the Quiet® Sound Damping System. QuietSeal® Pro stays soft to prevent cracking and reduce sound transmission. Apply QuietSeal®Pro around perimeters of the walls to prevent noise leaks in your assembly. It’s easy to use and offers a hassle free clean up – just use soap and water. Choose QuietSeal® Pro for quick application, maximum performance, and reliable results when used as part of the Quiet® Sound Damping System.