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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 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 L2B
Conservation of fuel and power

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For further BS4142 information for your area, be sure to check out Sound-Testing-.co.uk.
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BS4142 can also be known as:
Commercial Building and Room Acoustics, Commercial Environmental Noise Assessment, Noise Survey For Residential Development, Commercial Noise Impact Assessment, Commercial Sound Testing Environmental Noise, Commercial BS4142, Commercial BS8233 Noise Assessment and Noise Survey, PPG24, BS8233 Noise Assessment and Noise Survey, Commercial Noise Survey For Residential Development, Commercial PPG24, Building and Room Acoustics, Environmental Noise Assessment, Noise Impact Assessment, Industrial Noise Survey, Commercial Industrial Noise Survey, Sound Testing Environmental Noise,
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