BS EN IS0 12354-4:2017 BSl Standards Publication Building acoustics - Estimation of acoustic performance of buildings from the performance of elements Part 4: Transmission of indoor sound to the outside bsi. BSEN ISO 12354-4:2017 BRITISH STANDARD National foreword This British Standard is the UK implementation of EN IS0 12354-4:2017. It is identical to IS0 12354-4:2017. It supersedes BS EN 12354-4:2000, which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee EH/1/6, Building acoustics. request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. @ The British Standards Institution 2017 Published by BSI Standards Limited 2017 ISBN978 0580 926624 ICS 91.120.20 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 September 2017. Amendments/corrigenda issued since publication Date Textaffected BSENIS012354-4:2017 EUROPEANSTANDARD EN IS0 12354-4 NORME EUROPEENNE EUROPAISCHE NORM August 2017 ICS 91.120.20 Supersedes EN 12354-4:2000 English Version Building acoustics - Estimation of acoustic performance of buildings from the performance of elements - Part 4: Transmission of indoor sound to the outside (Is0 12354- 4:2017) Acoustique du batiment - Calcul de la performance Bauakustik - Berechnung der akustischen acoustique des batiments a partir de la performance Eigenschaften von Gebauden aus den des éléments - Partie 4: Transmission du bruit Bauteileigenschaften - Teil 4: Schallubertragung von intérieural'extérieur(1S012354-4:2017) RaumeninsFreie(IS012354-4:2017) This European Standard was approved by CEN on 22 April 2017. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by Centrehas the same status asthe officialversions. CENmembers arethenational standards bodies of Austria,Belgium,Bulgaria,Croatia,Cyprus, Czech Republic,Denmark,Estonia Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. cen EUROPEAN COMMITTEE FOR STANDARDIZATION COMITE EUROPEEN DE NORMALISATION EUROPAISCHESKOMITEEFURNORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels @2017CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 12354-4:2017 E worldwidefor CENnational Members.