Description
Describes methods for determining four indices for rating the properties of partitions, including walls and floor-ceiling assemblies, used to divide spaces in domestic and commercial buildings in reducing the transmission of airborne sound; the four indices are sound transmission class, field sound transmission class, noise isolation class, and normalized noise isolation class.
Product Details
- Published:
- 01/01/1979
- File Size:
- 1 file , 81 KB
