Full 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

Edition: 1st Published: 01/01/1979 ISBN(s): 0726216437 Number of Pages: 8 File Size: 1 file , 81 KB Product Code(s): 10100676, 10100671, 10100669