Technical Booklet G Resistance to the Passage of Sound·Page 120·B2.13
Impact sound insulation testing - Floor surface requirements
Impact sound insulation tests should be conducted on floors without soft finishes like carpet or foam-backed vinyl, with exceptions for separating floor type 1 or concrete floors with integral soft coverings.
Impact sound insulation tests should be conducted on a floor without a soft floor finish such as a carpet or foam backed vinyl except in the case of – (a) separating floor type 1, as described in this Technical Booklet, or (b) a concrete structural floor base which has a soft covering as an integral part of the floor.
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