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Paths can be interrupted by insulation and blocking air paths. A material's insulation is governed by mass, stiffening and damping...more
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
Part L1A
Conservation of fuel and power IN NEW DWELLINGS
Guidance for compliance for building work carried out that applies to New Dwellings.
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