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Guidance on reverberation in common internal parts
0.6NI-wide·Technical Booklet G Resistance to the Passage of Sound
Section 7 – Reverberation in the common internal parts of buildings containing flats, maisonettes and rooms for residential purposes, gives guidance on how to determine the amount of additional absorp
flatssoundstairsJunctions with internal timber floors - floor joists on separating wall
2.115NI-wide·Technical Booklet G Resistance to the Passage of Sound
If the floor joists are to be supported on the separating wall then they should be supported on hangers and should not be built in (see Diagram 2.33).
soundstairsStair treatment 1 – Stair covering and independent ceiling with absorbent material
4.9NI-wide·Technical Booklet G Resistance to the Passage of Sound
To be used where a timber stair performs a separating function. The resistance to airborne sound depends mainly on the mass of the stair, the mass and isolation of any independent ceiling and the airt
soundstairsseparating-elementFlanking transmission control for stair treatment
4.10, 4.11NI-wide·Technical Booklet G Resistance to the Passage of Sound
In all cases it may be necessary to control flanking transmission in order to achieve the performance standards set out in Table 1a of the section entitled "Guidance - Performance and introduction to
soundstairsmaterial-change-of-useflanking-transmissionSound insulation requirements for stairs
4.35NI-wide·Technical Booklet G Resistance to the Passage of Sound
Stairs are subject to the same sound insulation requirements as floors where they perform a separating function.
soundstairsResistance to airborne sound in stairs
4.36NI-wide·Technical Booklet G Resistance to the Passage of Sound
The resistance to airborne sound depends mainly on the mass of the stair, the mass and isolation of any independent ceiling and the airtightness of any cupboard or enclosure under the stairs. The stai
soundstairsStair treatment 1 - stair covering and independent ceiling with absorbent material
4.37NI-wide·Technical Booklet G Resistance to the Passage of Sound
Stair treatment 1 – stair covering and independent ceiling with absorbent material (see Diagram 4.8). Lay soft covering of at least 6 mm thickness over the stair treads. Ensure it is securely fixed (e
soundstairsEffect of open stairs on floor sound insulation
5.10NI-wide·Technical Booklet G Resistance to the Passage of Sound
If the stair is not enclosed, then the potential sound insulation of the internal floor will not be achieved; nevertheless, the internal floor should still satisfy Part G.
soundstairsMethod A – Stairwells and stair enclosures
7.10NI-wide·Technical Booklet G Resistance to the Passage of Sound
For stairwells or a stair enclosure, calculate the combined area of the stair treads, the upper surface of the intermediate landings, the upper surface of the landings (excluding ground floor) and the
flatsdwellingsoundreverberationstairs