Technical Booklet G Resistance to the Passage of Sound·Page 14·Table 2
Laboratory Values for Airborne Sound Insulation in Dwellings
New internal walls and floors within dwellings must achieve minimum airborne sound insulation of 40 dB Rw.
Airborne sound insulation (minimum values) Rw dB. Walls 40. Floors and stairs 40. Table 2 Laboratory values for new internal walls and floors within dwellings and rooms for residential purposes, whether purpose built or formed by material change of use
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