Download the Catalog of STC and IIC Ratings for Wall and Floor/Ceiling Assemblies

This is a catalog of sound rated floor and ceiling assemblies produced by the California Office of Noise Control. The information provided in this document comes from manufacturers, trade associations and government agencies. The catalog contains the STC (Sound Transmission) and IIC (Impact) ratings for over 500 types of assemblies. Download Document Size 6.8 MB

Tags: soundproofing, floor assemblies, IIC, STC, walls assemblies, ceiling assemblies