BRITISH STANDARD BS EN 942 1996 Timber in joinery General classification of timber quality The European Standard EN 942 1996 has the status of a British Standard ICS 79 040 BS EN 942 1996 This British Standard having been prepared under the direction of the Sector Board for Building and Civil Engineering was published under the authority of the Standards Board and comes into effect on 15 September 1996 BSI 11 1999 The following BSI references relate to the work on this standard Committee reference B 543 5 Draft for comment 92 19798 DC ISBN 0 580 25886 6 Committees responsible for this British Standard The preparation of this British Standard was entrusted by Technical Committee B 543 Round and sawn timber to Subcommittee B 543 5 Joinery general upon which the following bodies were represented Association of Building Engineers British Wood Preserving and Damp proofing Association British Woodworking Federation Department of the Environment Department of the Environment Building Research Establishment Guild of Architectural Ironmongers Institute of Clerks of Works of Great Britain Inc Joinery Managers Association Ltd LHC Building Components and Services Nordic Timber Council UK Royal Institute of British Architects Timber Research and Development Association Timber Trade Federation Wood Panel Industries Federation Amendments issued since publication Amd No DateComments BS EN 942 1996 BSI 11 1999i Contents Page Committees responsibleInside front cover National forewordii Foreword2 Text of EN 9423 National annex NA informative Some species and their suitability for use in joinery9 Table NA 1 Some species of softwood and their suitability for use in joinery10 Table NA 2 Some species of hardwood and their suitability for use in joinery13 List of referencesInside back cover BS EN 942 1996 ii BSI 11 1999 National foreword This British Standard has been prepared by Subcommittee B 543 5 and is the English language version of EN 942 1996 Timber in joinery General classification of timber quality published by the European Committee for Standardization CEN It supersedes BS 1186 1 1991 which is withdrawn BS 1186 1 1991 contained tables giving information on some species and their suitability for use in joinery These tables are included for information in National annex NA A British Standard does not purport to include all the necessary provisions of a contract Users of British Standards are responsible for their correct application Compliance with a British Standard does not of itself confer immunity from legal obligations Cross references Publication referred toCorresponding British Standard EN 350 2 1994BS EN 350 Durability of wood and wood based products Natural durability of solid wood Part 2 1994 Guide to natural durability and treatability of selected wood species of importance in Europe EN 351 1 1995BS EN 351 Durability of wood and wood based products Preservative treated solid wood Part 1 1996 Classification of preservative penetration and retention EN 460 1994BS EN 460 1994 Durability of wood and wood based products Natural durability of solid wood Guide to the durability requirements for wood to be used in hazard classes EN 844 3 1995BS EN 844 Round and sawn timber Terminology Part 3 1995 General terms relating to sawn timber Summary of pages This document comprises a front cover an inside front cover pages i and ii the EN title page pages 2 to 18 an inside back cover and a back cover This standard has been updated see copyright date and may have had amendments incorporated This will be indicated in the amendment table on the inside front cover EUROPEAN STANDARD NORME EUROP ENNE EUROP ISCHE NORM EN 942 March 1996 ICS 79 040 Descriptors Wood joinery quality specifications characteristics appearance defects knots measurements repairs classifications English version Timber in joinery General classification of timber quality Bois dans les menuiseries Classification g n rale de la qualit du bois Holz f r Tischlerarbeiten Allgemeine Klassifizierung der Holzqualit t This European Standard was approved by CEN on 1996 01 14 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 Central Secretariat or to any CEN member This European Standard exists in three official versions English French German A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions CEN members are the national standards bodies of Austria Belgium Denmark Finland France Germany Greece Iceland Ireland Italy Luxembourg Netherlands Norway Portugal Spain Sweden Switzerland and United Kingdom CEN European Committee for Standardization Comit Europ en de Normali