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How loud is too loud?
Noise above 85 dBA over time will cause hearing loss. In general, the louder the noise, the less time required before hearing loss...more

Sound Transmissions
Paths can be interrupted by insulation and blocking air paths. A material's insulation is governed by mass, stiffening and damping...more
Part L1A
Conservation of fuel and power IN NEW DWELLINGS

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