DS DS/EN ISO 140-7
DS DSEN SO 140-7 1998-NOV-24 Acoustcs - Measurement of sound nsulaton n buldngs and of buldng elements - Part 7 Feld measurements of mpact sound nsulaton of floors
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This standard specifies field methods for measuring impact sound insulation properties of building floors by using a standard tapping machine. The method is applicable to bare floors and also to floors with coverings.