For airborne sound ratings of wall and floor/ceilings assemblies, it requires a minimum laboratory-derived rating of 50-STC (45-FSTC if field tested). For impact noise at floor/ceiling assemblies ...

Recently, wall assembly options have been developed that achieve high STC ratings, yet are faster and easier to construct than high STC stick-framed walls. The heart of these assemblies are ...

The QuietHome assembly delivers superb noise reduction, with an STC rating up to 65 and an IIC rating up to 70. The STC rating is a measure of sound transmission through the assembly, and the IIC ...

Reliable Performance Data: Modernized Sound Transmission Class (STC) ratings based on the latest ... the critical role acoustics and fire rated assemblies have in building design,” states ...

May qualify for learning hours through most Canadian architectural associations. This presentation will take the confusion out of UL floor/ceiling assemblies. Included will be some history of UL ...