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Sound Transmissions
Paths can be interrupted by insulation and blocking air paths. A material's insulation is governed by mass, stiffening and damping...more
Sound Insulation
Two parameters describe sound insulation; Dw and Rw. Dw is the insulation between rooms. Rw is the lab-tested insulation of a wall/floor...more
Intended to assist the construction industry to comply with the performance standards of Regulations.
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In Area W
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