Technical Booklet G Resistance to the Passage of Sound·Page 86·3.111
Cavity wall with timber frame inner leaf - floor joist blocking and sealing
Requires full-depth timber blocking between floor joists perpendicular to the wall and flexible caulking to fill voids.
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 be filled with flexible caulking.
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