BS-5821-1 › Complete Document History
Methods for rating the sound insulation in buildings and of building elements. Method for rating the airborne sound insulation in buildings and of interior building elements


Obsolete Revision Information:
   REPLACED BY BS-EN-ISO-717-1 - WITHDRAWN IN 1997 - Aug. 15, 1997
   1984 EDITION - for rating the airborne sound insulation in buildings and of - Dec. 31, 1984