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Protection against sound from other parts of the building and from adjoining buildings
Regulation 49NI-wide·Technical Booklet G Resistance to the Passage of Sound
A dwelling or room for residential purposes shall be designed and constructed in such a way so as to provide reasonable resistance to the passage of sound from other parts of the same building outside
dwellingflatssoundmeans-of-escapeProtection against sound within a dwelling or room for residential purposes
50NI-wide·Technical Booklet G Resistance to the Passage of Sound
Within a dwelling or room for residential purposes reasonable resistance to the passage of airborne sound shall be provided by— (a) internal walls that separate— (i) a bedroom; and (ii) a room contain
dwellingflatssoundmeans-of-escapeDiagrams Illustrating Sound Protection Requirements
0.24NI-wide·Technical Booklet G Resistance to the Passage of Sound
Diagrams 1 to 3 illustrate the relevant parts of the building that should be protected from airborne and impact sound in order to satisfy regulations 49 and 50.
sounddwellingmeans-of-escapeAirborne sound insulation - internal walls in dwellings (regulation 50(a))
regulation 50(a)NI-wide·Technical Booklet G Resistance to the Passage of Sound
Airborne sound insulation required for: Dwelling or room for residential purposes; Internal wall; Bedroom or a room containing a water closet
sounddwellingmeans-of-escapeSeparating wall junctions reference table
Table 2.1NI-wide·Technical Booklet G Resistance to the Passage of Sound
Separating wall type: Building element attached to separating wall Type 1 Type 2 Type 3 Type 4. External cavity wall with masonry inner leaf: G G S G. External cavity wall with timber frame inner leaf
soundflatsmeans-of-escapeCorridor walls and doors - general approach
2.24NI-wide·Technical Booklet G Resistance to the Passage of Sound
The separating walls described in this section should be used between corridors and flats and maisonettes, in order to control flanking transmission and to provide the required sound insulation. Howev
flatssoundmeans-of-escapeDoor performance in separating walls
2.25NI-wide·Technical Booklet G Resistance to the Passage of Sound
Ensure that any door in a separating wall has good perimeter sealing (including the threshold where practical) and a minimum mass per unit area of 25 kg/m2 or a minimum sound reduction index of 29 dB
flatssoundmeans-of-escapeJunctions with separating floors
2.58NI-wide·Technical Booklet G Resistance to the Passage of Sound
There are important details in Section 3 concerning junctions between wall type 1 and separating floors.
soundflatsmeans-of-escapeWall types 3.1 and 3.2 – roof space treatment with ceiling
2.131NI-wide·Technical Booklet G Resistance to the Passage of Sound
Where the roof or loft space is not a habitable room and there is a ceiling with a minimum mass per unit area of 10 kg/m2 and with sealed joints, the independent panels may be omitted in the roof spac
soundflatsdwellingmeans-of-escapeBeam and block separating floors
3.12NI-wide·Technical Booklet G Resistance to the Passage of Sound
For beam and block separating floors, seek advice from the manufacturer.
flatssoundmeans-of-escapeCorridor walls and doors - separating walls purpose
4.19NI-wide·Technical Booklet G Resistance to the Passage of Sound
The separating walls described in this section should be used between dwellings formed by material change of use, and corridors in order to control flanking transmission and to provide the required so
dwellingflatssoundmeans-of-escapeReport format for Regulation 51 compliance
7.21NI-wide·Technical Booklet G Resistance to the Passage of Sound
Evidence that regulation 51 has been satisfied should be presented, (e.g. on a drawing or in a report), which should include – (a) a description of the enclosed space (entrance hall, corridor, stairwe
soundnon-domesticpublic-buildingmeans-of-escapeWorked example: Entrance hall sound absorption
7.22NI-wide·Technical Booklet G Resistance to the Passage of Sound
Example: Entrance hall The entrance hall has dimensions 3.0 m (width) x 4.0 m (length) x 2.5 m (height). The concrete floor is covered with carpet, the walls are painted concrete blocks and there are
soundnon-domesticpublic-buildingmeans-of-escape