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Point of Reference
10 dBA is the sound level of normal human breathing. To put it into perspective, thunder is a whopping 120 dBA...more
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
Part L2A
Conservation of fuel and power in new buildings other than dwellings.
Approved document for buildings that support the energy efficiency requirements of regulations.
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Company No. 06728970
In Area P
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