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AS 1276-1979

[Superseded]

Methods for determination of sound transmission class and noise isolation class of building partitions

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Describes methods for determining four indices for rating the properties of partitions, including walls and floor-ceiling assemblies, used to divide spaces in domestic and commercial buildings in reducing the transmission of airborne sound; the four indices are sound transmission class, field sound transmission class, noise isolation class, and normalized noise isolation class.
Published: 01/01/1979
Pages: 8
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Content history
Content history
[Superseded]
ISO 717
ASTM 413