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Protection against sound from other parts of the building and from adjoining buildings
0.1NI-wide·Technical Booklet G Resistance to the Passage of Sound
It is the view of the Department that the requirements of regulation 49 will be met in a dwelling or room for residential purposes where adequate provisions are made in the design and construction of
dwellingresidentialsoundseparating-elementsflanking-constructionDwellings - performance standards for separating walls, separating floors, and stairs
Table 1aNI-wide·Technical Booklet G Resistance to the Passage of Sound
New dwellings: Walls - 45 dB (DnT,w + Ctr), Floors and stairs - 45 dB (DnT,w + Ctr), — 62 dB (L'nT,w). Dwellings formed by material change of use: Walls - 43 dB (DnT,w + Ctr), Floors and stairs - 43 d
dwellingsoundseparating-elementsRooms for residential purposes - performance standards for separating walls, separating floors, and stairs
Table 1bNI-wide·Technical Booklet G Resistance to the Passage of Sound
New rooms for residential purposes: Walls - 43 dB (DnT,w + Ctr), Floors and stairs - 45 dB (DnT,w + Ctr), — 62 dB (L'nT,w). Rooms for residential purposes formed by material change of use: Walls - 43
residentialsoundseparating-elements