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Masonry core continuity to roof
2.127NI-wide·Technical Booklet G Resistance to the Passage of Sound
The masonry core should be continuous to the underside of the roof.
soundprotection-from-fallingJunctions with floor penetrations (excluding gas pipes)
3.79–3.82NI-wide·Technical Booklet G Resistance to the Passage of Sound
Pipes and ducts that penetrate a floor separating habitable rooms in different flats and maisonettes should be enclosed for the full height in each flat and maisonette (see Diagram 3.17). The enclosu
flatssoundprotection-from-fallingIndependent ceiling support methods
4.27NI-wide·Technical Booklet G Resistance to the Passage of Sound
The ceiling should be supported by one of the following methods – (a) independent joists fixed only to the surrounding walls. A clearance of at least 25 mm should be left between the top of the indepe
soundprotection-from-fallingnon-domesticdwellingJunction Detail Between Floor Treatment 1 and Wall Treatment 1
4.29NI-wide·Technical Booklet G Resistance to the Passage of Sound
For the junction detail between floor treatment 1 and wall treatment 1 (see Diagram 4.5).
soundprotection-from-fallingFloor treatment 2 – platform floor with absorbent material: Construction specification
4.32NI-wide·Technical Booklet G Resistance to the Passage of Sound
Where this treatment is used to improve an existing timber floor, a layer of mineral wool (minimum thickness 100 mm, minimum density 10 kg/m3) should be laid between the joists in the floor cavity. T
soundprotection-from-fallingJunction detail between floor treatment 2 and wall treatment 1
4.33NI-wide·Technical Booklet G Resistance to the Passage of Sound
For the junction detail between floor treatment 2 and wall treatment 1 (see Diagram 4.7).
soundprotection-from-fallingSolid masonry separating wall - ceiling void and roof space junction
6.14NI-wide·Technical Booklet G Resistance to the Passage of Sound
In the case of the junction between a solid masonry separating wall type 1 and the ceiling void and roof space, the solid wall need not be continuous to the underside of the structural floor or roof p
sounddwellingprotection-from-falling