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Methods for rating the sound insulation in buildings and of building elements. Method for rating the airborne sound insulation of fa$1Cade elements and fa$1Cades
BS 5821-3 – Methods for rating the sound insulation in buildings and of building elements. Method for rating the airborne sound insulation of fa$1Cade elements and fa$1Cades
Method of deriving a single-figure rating of the performance of faÇade elements and faÇades by comparison with a standard reference curve. Applicable to measurements made according to BS 2750, Part 3 and 5.