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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 F
Means of Ventilation

Our other services include:
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CSH can also be known as:
Code for Sustainable Homes Daylight Calculation, Sustainable Homes, Code Assessment, C4SH, Code for Sustainable Homes,
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