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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
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 L1A
Conservation of fuel and power IN NEW DWELLINGS
Guidance for compliance with the Building Regulations for building work to New Dwellings.
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