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CEN
EN 942:2007

EN 942:2007

Current

Current

The latest, up-to-date edition.

Timber in joinery - General requirements

Published date

03-14-2007

Publisher

Comite Europeen de Normalisation

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Basic principles
  4.1 Appearance classes
  4.2 Species
  4.3 Density
  4.4 Growth rings
  4.5 Surface quality
  4.6 Moisture content
  4.7 Finger-jointing, butt-jointing, edge-jointing and
      laminating
5 Classification of features
  5.1 General
  5.2 Knots and knot clusters
      5.2.1 Types
      5.2.2 Size
      5.2.3 Distribution
6 Remedial work
  6.1 Plugs and fillers
  6.2 Requirements
Annex A (normative) Measurement of dimensions of finished
        pieces
Annex B (informative) Guide to moisture content in joinery
Annex C (informative) Guide to specifying timber in joinery
      C.1 information to be supplied
      C.2 Identifying characteristics, techniques or remedies
          and their acceptability with visible surfaces
Annex D (informative) The selection of timber species for use
        in joinery
      D.1 General
      D.2 Aesthetic criteria
      D.3 Commercial criteria
      D.4 Mechanical criteria
      D.5 Durability criteria
      D.6 Serviceability criteria
      D.7 Workability criteria
Bibliography

This European Standard specifies the general requirements including in particular the grading and classification by appearance quality of timber in joinery products or individual joinery parts.This European Standard is intended to be used at the time of manufacture of a product. However this Standard may be used to evaluate products at a later stage, but in these situations storage and service conditions, subsequent to manufacture, shall be taken into account (surface checks).Where European product standards exist their timber requirements shall take precedence, unless an alternative improved specification is given as identified in Annex D. If reference to this European Standard is made the specific grade and requirements shall be identified.This European Standard covers solid, finger-jointed, end-jointed, edge-jointed and laminated timber products.Matters relating to the influence of timber characteristics on strength and durability are not covered in this Standard.

Committee
CEN/TC 175
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Current

Standards Relationship
NBN EN 942 : 2007 Identical
NF EN 942 : 2007 Identical
DIN EN 942:2007-06 Identical
BS EN 942:2007 Identical
UNI EN 942 : 2007 Identical
I.S. EN 942:2007 Identical
SN EN 942 : 2007 Identical
UNE-EN 942:2007 Identical
PN EN 942 : 2008 Identical
NS EN 942 : 2ED 2007 Identical
NEN EN 942 : 2007 Identical

01/104734 DC : DRAFT JUNE 2001 PREN 14220 - TIMBER AND WOOD-BASED MATERIALS IN WINDOWS, EXTERNAL DOOR LEAVES AND EXTERNAL DOOR FRAMES - REQUIREMENTS AND SPECIFICATION
98/104512 DC : DRAFT SEP 1998 PREN 13307 - TIMBER BLANKS AND RAW PROFILES FOR JOINERY
00/102441 DC : DRAFT MAY 2000 BS EN 13912 - WOOD AND WOOD-BASED MATERIALS IN STAIR COMPONENTS - REQUIREMENTS
01/104735 DC : DRAFT JUNE 2001 PREN 14221 - TIMBER AND WOOD-BASED MATERIALS IN INTERNAL DOOR LEAVES AND INTERNAL DOOR FRAMES - REQUIREMENTS AND SPECIFICATION
04/30107691 DC : DRAFT JAN 2004 EN 14221 (2ND ENQUIRY) - TIMBER AND WOOD-BASED MATERIALS IN INTERNAL WINDOWS, DOOR LEAVES AND INTERNAL DOORFRAMES - REQUIREMENTS AND SPECIFICATIONS

EN 1310 : 1997 ROUND AND SAWN TIMBER - METHOD OF MEASUREMENT OF FEATURES
EN 13183-3:2005 Moisture content of a piece of sawn timber - Part 3: Estimation by capacitance method
EN 13183-1:2002/AC:2003 MOISTURE CONTENT OF A PIECE OF SAWN TIMBER - DETERMINATION BY OVEN DRY METHOD
EN 335-2:2006 Durability of wood and wood-based products - Definition of use classes - Part 2: Application to solid wood
EN 14220:2006 Timber and wood-based materials in external windows, external door leaves and external doorframes - Requirements and specifications
EN 13986:2004 Wood-based panels for use in construction - Characteristics, evaluation of conformity and marking
EN 13307-1 : 2006 TIMBER BLANKS AND SEMI-FINISHED PROFILES FOR NON-STRUCTURAL USES - PART 1: REQUIREMENTS
EN 351-1:2007 Durability of wood and wood-based products - Preservative-treated solid wood - Part 1: Classification of preservative penetration and retention
EN 13556:2003 Round and sawn timber - Nomenclature of timbers used in Europe
EN 350-2:1994 Durability of wood and wood-based products - Natural durability of solid wood - Part 2: Guide to natural durability and treatability of selected wood species of importance in Europe
EN 13183-2:2002/AC:2003 MOISTURE CONTENT OF A PIECE OF SAWN TIMBER - ESTIMATION BY ELECTRICAL RESISTANCE METHOD
EN 844-3 : 1995 ROUND AND SAWN TIMBER - TERMINOLOGY - PART 3: GENERAL TERMS RELATING TO SAWN TIMBER
EN 14221:2006 Timber and wood-based materials in internal windows, internal door leaves and internal doorframes - Requirements and specifications
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

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