Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 2: Intrinsic characteristics of airborne sound insulation
This part of prEN 1973 specifies the laboratory method for measuring the airborne sound insulation performance of roadside noise barriers. It covers assessment of the intrinsic performance of barriers which can reasonably be assembled inside the testing facility described in EN ISO 140-3.
Regulation (eu) No 305/2011 of the European Parliament and of the Council of 9 march 2011 laying down harmonised conditions for the marketing of construction products and repealing council directive 89/106/eec
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