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Sound Privacy
Privacy describes the perceived sound reduction across a wall, a function of both sound insulation and background noise...more
Sound Intensity
Sound intensity's measured in Decibels (dB). An logarithmic scale where an increase of 10 dB gives an apparent doubling of loudness...more
Part L1B
Conservation of fuel and power in Existing Dwellings
Guidance for work to existing dwellings including alterations, conversions and extensions.
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