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Technical Booklet G Resistance to the Passage of Sound·Page 99·4.40

Ceiling perimeter sealing

The perimeter of any new ceiling must be sealed with tape or caulked with sealant.

soundmaterial-change-of-use
The perimeter of any new ceiling should be sealed with tape or caulked with sealant.

Source — /Users/richardhill/Documents/planning-arch-project/data/documents/regional/Technical Booklet G - Resistance to the Passage of Sound.pdf