This document is a catalog of sound-rated wall and floor/ceiling assemblies. It contains South Transmission Class (STC) or Impact Insulation Class (IIC) ratings for approximately 500 different construction assemblies. This catalog—which was compiled from laboratory test reports submitted to the California Office of Noise Control by various manufacturers, trade associations and government agencies—is divided into sections and subsections that indicate major differences in acoustic performance and construction type.
Prepared by:
Office of Noise Control
California Department of Health Service
175 pages