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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
Part L1B
Conservation of fuel and power in Existing Dwellings

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Derby - SAP Extension Assessment - 0114 368 0192
The office that covers this area is: Sheffield
Phone Number: 0114 368 0192 Email: derby@e2consultants.co.uk
Our other services include:
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SAP Extension Assessment can also be known as:
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