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Full Description

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.
 

Document History

  1. AS/NZS ISO 717.1:2004


    Acoustics - Rating of sound insulation in buildings and of building elements, Part 1: Airborne sound insulation

    • Most Recent
  2. AS/NZS 1276.1:1999


    Acoustics - Rating of sound insulation in buildings and of building elements, Part 1: Airborne sound insulation

    • Historical Version
  3. AS 1276-1979

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

    • Historical Version