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Sound Insulation
Two parameters describe sound insulation; Dw and Rw. Dw is the insulation between rooms. Rw is the lab-tested insulation of a wall/floor...more
Sound Privacy
Privacy describes the perceived sound reduction across a wall, a function of both sound insulation and background noise...more
The aim is to recognise the level of sustainability already achieved by the building regulations.
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In Area L
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