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Sound Transmissions
Paths can be interrupted by insulation and blocking air paths. A material's insulation is governed by mass, stiffening and damping...more

Sound Privacy
Privacy describes the perceived sound reduction across a wall, a function of both sound insulation and background noise...more
Part L1A
Conservation of fuel and power IN NEW DWELLINGS

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