RC-1 Pro resilient channel provides strong sound performance with a profile designed to increase stiffness and ease installation. Now architects can get the tested STC ratings that they require while installers get a sound transmission loss improvement product that installs quickly and easily. The series also includes RC-2 Pro that has a double leg profile for ceiling applications and heavier gauge RC-1 ProPlus and RC-2 ProPlus for double-layer gypsum board applications. RC-1 Pro consistently achieved sound ratings over 50 STC points with one layer of gypsum board and more than 60 STC points with two layers.
