impact noise rating


Also found in: Dictionary, Thesaurus, Medical, Financial, Acronyms.

impact noise rating (INR)

A rating, expressed by a single number, which is a rough measure of the effectiveness of a floor construction in providing isolation against the noise of impacts; in general, the higher the number, the greater the effectiveness.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
Mentioned in ?
Full browser ?