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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

Reverberation Time
The reverberation time of a room is defined as the time it takes for sound to decay by 60 dB after an abrupt termination...more
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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:
BS8233 Noise Assessment and Noise Survey, Commercial Environmental Noise Assessment, Commercial BS8233 Noise Assessment and Noise Survey, Industrial Noise Survey, Commercial Building and Room Acoustics, Commercial Noise Survey For Residential Development, Commercial Sound Testing Environmental Noise, Building and Room Acoustics, Commercial BS4142, Commercial Noise Impact Assessment, Commercial PPG24, Noise Impact Assessment, Environmental Noise Assessment, Noise Survey For Residential Development, Commercial Industrial Noise Survey, Sound Testing Environmental Noise, PPG24,
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