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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
![Did you know Knowle](/images/didyouknow.png)
Air Testing & Leakage
We can offer additional services at discounted rates along side our tests! These are Sound Testing and Part F. Ask our Consultants for more
Part L2A
Conservation of fuel and power in new buildings other than dwellings.
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Code for Sustainable Homes Daylight Calculation Quote in Knowle
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