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Resilient layer specification
3.102NI-wide·Technical Booklet G Resistance to the Passage of Sound
The resilient layer specification is – mineral wool, minimum thickness 25 mm, density 60 to 100 kg/m3; the mineral wool may be paper faced on the underside. Note – The lower figure of density for the
soundfloor-constructionCavity wall with timber frame inner leaf - floor joist blocking and sealing
3.111NI-wide·Technical Booklet G Resistance to the Passage of Sound
Use any normal method of connecting floor base to wall. Where the joists are at right angles to the wall, spaces between the floor joists should be sealed with full depth timber blocking. Any voids to
soundexternal-wallcavity-walltimber-framefloor-construction