Our standard acoustic room is a 4” thick tongue-in-groove roll formed modular panel construction featuring R-24 thermal value and STC-55, nrc .95 acoustical ratings according to independent laboratory tests.
It is all hot dipped non corrosive steel construction consisting of 18-gauge Galvannealed steel exterior skin, 22-gauge perforated Galvannealed steel interior skin, 18 gauge Galvannealed steel solid internal septum barrier, and 18 gauge galvanized side and end channel.
The fill is 4 lb. density noncombustible, mildew-resistant, vermin proof, non-settling mineral wool, and features an R-16 thermal value. Shop formed corner panels in lieu of field flashed corners for ease of assembly, best appearance, and acoustical integrity. Both interior and exterior corner panel skins are non-perforated 18-gauge Galvannealed steel.