Technical Booklet G Resistance to the Passage of Sound·Page 40·2.59
Cavity Masonry Separating Walls - Sound Resistance Principles
Sound resistance in cavity masonry walls depends on the mass of each leaf and the degree of isolation between them, which is affected by wall ties, foundations, and cavity width.
The resistance to airborne sound depends on the mass per unit area of the leaves and on the degree of isolation achieved. The isolation is affected by connections (such as wall ties and foundations) between the wall leaves and by the cavity width.
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