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  • EN 14081-1 : 2016

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    TIMBER STRUCTURES - STRENGTH GRADED STRUCTURAL TIMBER WITH RECTANGULAR CROSS SECTION - PART 1: GENERAL REQUIREMENTS

    Available format(s): 

    Superseded date:  07-03-2022

    Language(s): 

    Published date:  12-01-2013

    Publisher:  Comite Europeen de Normalisation

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    Table of Contents - (Show below) - (Hide below)

    European foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Symbols
    5 Requirements for structural timber
    6 Assessment and verification of constancy of
      performance - AVCP
    7 Marking
    8 Environmental issues
    Annex A (normative) - Requirements for strength reducing
                          characteristics for visual grading standards
    Annex B (normative) - Marking codes for species
    Annex C (normative) - Measurement of moisture content
    Annex ZA (informative) - Clauses of this European Standard
             addressing the provisions of the
             EU Construction Products Regulation
    Bibliography

    Abstract - (Show below) - (Hide below)

    Defines requirements for visual and machine strength graded structural timber of rectangular cross-section shaped by sawing, planning or other methods and of minimum cross sectional dimensions complying with EN 336.

    General Product Information - (Show below) - (Hide below)

    Committee TC 124
    Development Note Supersedes EN 518 and EN 519. (03/2006) Supersedes EN 14081-4 & PREN 14081-1. (02/2016)
    Document Type Standard
    Publisher Comite Europeen de Normalisation
    Status Superseded
    Superseded By
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    PREN 15497 : DRAFT 2011 STRUCTURAL FINGER JOINTED SOLID TIMBER - PERFORMANCE REQUIREMENTS AND MINIMUM PRODUCTION REQUIREMENTS
    DIN EN 16351:2015-12 Timber structures - Cross laminated timber - Requirements
    I.S. EN 15497:2014 STRUCTURAL FINGER JOINTED SOLID TIMBER - PERFORMANCE REQUIREMENTS AND MINIMUM PRODUCTION REQUIREMENTS
    11/30249114 DC : 0 BS EN 15497 - STRUCTURAL FINGER JOINTED SOLID TIMBER - PERFORMANCE REQUIREMENTS AND MINIMUM PRODUCTION REQUIREMENTS
    I.S. EN 1995-1-1:2005 EUROCODE 5: DESIGN OF TIMBER STRUCTURES - PART 1-1: GENERAL - COMMON RULES AND RULES FOR BUILDINGS
    DIN EN 15228 E : 2009 STRUCTURAL TIMBER - STRUCTURAL TIMBER PRESERVATIVE TREATED AGAINST BIOLOGICAL ATTACK
    DIN EN 16737:2016-09 STRUCTURAL TIMBER - VISUAL STRENGTH GRADING OF TROPICAL HARDWOOD
    I.S. EN 14081-4:2009 TIMBER STRUCTURES - STRENGTH GRADED STRUCTURAL TIMBER WITH RECTANGULAR CROSS SECTION - PART 4: MACHINE GRADING - GRADING MACHINE SETTINGS FOR MACHINE CONTROLLED SYSTEMS
    DIN EN 16351 E : 2015 TIMBER STRUCTURES - CROSS LAMINATED TIMBER - REQUIREMENTS
    11/30237554 DC : 0 BS EN 14732 - TIMBER STRUCTURES - PREFABRICATED WALL, FLOOR AND ROOF ELEMENTS - REQUIREMENTS
    UNE-EN 15497:2014 Structural finger jointed solid timber - Performance requirements and minimum production requirements
    BS EN 15497 : 2014 STRUCTURAL FINGER JOINTED SOLID TIMBER - PERFORMANCE REQUIREMENTS AND MINIMUM PRODUCTION REQUIREMENTS
    10/30229277 DC : 0 BS EN 1912 - STRUCTURAL TIMBER - STRENGTH CLASSES - ASSIGNMENT OF VISUAL GRADES AND SPECIES
    I.S. EN 1995-1-2:2005 EUROCODE 5: DESIGN OF TIMBER STRUCTURES - PART 1-2: GENERAL - STRUCTURAL FIRE DESIGN (INCLUDING IRISH NATIONAL ANNEX)
    I.S. EN 1309-3:2018 ROUND AND SAWN TIMBER - METHODS OF MEASUREMENTS - PART 3: FEATURES AND BIOLOGICAL DEGRADATIONS
    13/30286100 DC : 0 BS EN 384 - STRUCTURAL TIMBER - DETERMINATION OF CHARACTERISTIC VALUES OF MECHANICAL PROPERTIES AND DENSITY
    BS EN 16737:2016 (published 2016-07) Structural timber. Visual strength grading of tropical hardwood
    DIN EN 15228:2009-08 STRUCTURAL TIMBER - STRUCTURAL TIMBER PRESERVATIVE TREATED AGAINST BIOLOGICAL ATTACK
    16/30340577 DC : 0 BS EN 1309-3 - ROUND AND SAWN TIMBER - METHODS OF MEASUREMENTS - PART 3: FEATURES AND BIOLOGICAL DEGRADATIONS
    DIN EN 15497:2014-07 STRUCTURAL FINGER JOINTED SOLID TIMBER - PERFORMANCE REQUIREMENTS AND MINIMUM PRODUCTION REQUIREMENTS
    DIN EN 15497 E : 2014 STRUCTURAL FINGER JOINTED SOLID TIMBER - PERFORMANCE REQUIREMENTS AND MINIMUM PRODUCTION REQUIREMENTS
    11/30236369 DC : 0 BS EN 14080 - TIMBER STRUCTURES - GLUED LAMINATED TIMBER AND GLUED SOLID TIMBER
    BS EN 16351:2015 TIMBER STRUCTURES - CROSS LAMINATED TIMBER - REQUIREMENTS
    09/30203195 DC : 0 BS EN 15497 - FINGER JOINTED STRUCTURAL TIMBER - PERFORMANCE REQUIREMENTS AND MINIMUM PRODUCTION REQUIREMENTS
    14/30298224 DC : 0 BS EN 16737 - STRUCTURAL TIMBER - VISUAL STRENGTH GRADING OF TROPICAL HARDWOOD
    06/30149615 DC : 0 EN 1380 - TIMBER STRUCTURES - TEST METHODS - LOAD BEARING NAILS, SCREWS, DOWELS AND BOLTS
    PREN 14592 : DRAFT 2017 TIMBER STRUCTURES - DOWEL-TYPE FASTENERS - REQUIREMENTS
    PREN 14081-2 : DRAFT 2016 TIMBER STRUCTURES - STRENGTH GRADED STRUCTURAL TIMBER WITH RECTANGULAR CROSS SECTION - PART 2: MACHINE GRADING, ADDITIONAL REQUIREMENTS FOR INITIAL TYPE TESTING
    10/30227077 DC : 0 BS EN 14081-3 - TIMBER STRUCTURES - STRENGTH GRADED STRUCTURAL TIMBER WITH RECTANGULAR CROSS SECTION - PART 3: MACHINE GRADING; ADDITIONAL REQUIREMENTS FOR FACTORY PRODUCTION CONTROL
    09/30193698 DC : DRAFT JAN 2009 BS EN 14080 - TIMBER STRUCTURES - GLUED LAMINATED TIMBER AND GLUED LAMINATED SOLID TIMBER - REQUIREMENTS
    BS EN 15228 : 2009 STRUCTURAL TIMBER - STRUCTURAL TIMBER PRESERVATIVE TREATED AGAINST BIOLOGICAL ATTACK
    11/30253102 DC : 0 BS EN 16351 - TIMBER STRUCTURES - CROSS LAMINATED TIMBER - REQUIREMENTS
    08/30159962 DC : 0 BS EN 384 - STRUCTURAL TIMBER - DETERMINATION OF CHARACTERISTIC VALUES OF MECHANICAL PROPERTIES AND DENSITY
    PREN 17121 : DRAFT 2017 CONSERVATION OF CULTURAL HERITAGE - HISTORIC TIMBER STRUCTURES - GUIDELINES FOR THE ON SITE ASSESSMENT
    UNI EN 15228 : 2009 STRUCTURAL TIMBER - STRUCTURAL TIMBER PRESERVATIVE TREATED AGAINST BIOLOGICAL ATTACK
    08/30159958 DC : DRAFT JUNE 2008 BS EN 338 - STRUCTURAL TIMBER - STRENGTH CLASSES
    07/30152878 DC : DRAFT AUG 2007 BS EN 14250 - TIMBER STRUCTURES - PRODUCT REQUIREMENTS FOR PREFABRICATED STRUCTURAL MEMBERS ASSEMBLED WITH PUNCHED METAL PLATE FASTENERS
    06/30149612 DC : 0 EN 409 - TIMBER STRUCTURES - TEST METHODS - DETERMINATION OF THE YIELD MOMENT OF DOWEL TYPE FASTENERS
    DIN EN 16737 E : 2016 STRUCTURAL TIMBER - VISUAL STRENGTH GRADING OF TROPICAL HARDWOOD
    I.S. EN 16351:2015 TIMBER STRUCTURES - CROSS LAMINATED TIMBER - REQUIREMENTS
    UNI EN 15497 : 2014 STRUCTURAL FINGER JOINTED SOLID TIMBER - PERFORMANCE REQUIREMENTS AND MINIMUM PRODUCTION REQUIREMENTS
    UNE-EN 14081-3:2012 Timber structures - Strength graded structural timber with rectangular cross section - Part 3: Machine grading; additional requirements for factory production control
    UNE-EN 1995-1-2:2016 Eurocode 5: Design of timber structures - Part 1-2: General - Structural fire design.
    I.S. EN 15228:2009 STRUCTURAL TIMBER - STRUCTURAL TIMBER PRESERVATIVE TREATED AGAINST BIOLOGICAL ATTACK
    UNE-EN 16737:2016 Structural timber - Visual strength grading of tropical hardwood
    PREN 384 : DRAFT 2013 STRUCTURAL TIMBER - DETERMINATION OF CHARACTERISTIC VALUES OF MECHANICAL PROPERTIES AND DENSITY
    PREN 1912 : DRAFT 2010 STRUCTURAL TIMBER - STRENGTH CLASSES - ASSIGNMENT OF VISUAL GRADES AND SPECIES
    I.S. EN 16737:2016 STRUCTURAL TIMBER - VISUAL STRENGTH GRADING OF TROPICAL HARDWOOD
    17/30357806 DC : 0 BS EN 17121 - CONSERVATION OF CULTURAL HERITAGE - HISTORIC TIMBER STRUCTURES - GUIDELINES FOR THE ON SITE ASSESSMENT
    16/30338540 DC : 0 BS EN 14081-2 - TIMBER STRUCTURES - STRENGTH GRADED STRUCTURAL TIMBER WITH RECTANGULAR CROSS SECTION - PART 2: MACHINE GRADING, ADDITIONAL REQUIREMENTS FOR INITIAL TYPE TESTING
    EN 1309-3 : 2018 ROUND AND SAWN TIMBER - METHODS OF MEASUREMENTS - PART 3: FEATURES AND BIOLOGICAL DEGRADATIONS
    I.S. EN 14081-3:2012 TIMBER STRUCTURES - STRENGTH GRADED STRUCTURAL TIMBER WITH RECTANGULAR CROSS SECTION - PART 3: MACHINE GRADING; ADDITIONAL REQUIREMENTS FOR FACTORY PRODUCTION CONTROL
    EN 1995-1-1:2004/A2:2014 EUROCODE 5: DESIGN OF TIMBER STRUCTURES - PART 1-1: GENERAL - COMMON RULES AND RULES FOR BUILDINGS
    DIN EN 1380:2009-07 TIMBER STRUCTURES - TEST METHODS - LOAD BEARING NAILS, SCREWS, DOWELS AND BOLTS
    DIN EN 1912:2013-10 STRUCTURAL TIMBER - STRENGTH CLASSES - ASSIGNMENT OF VISUAL GRADES AND SPECIES
    DIN EN 14250 E : 2010 TIMBER STRUCTURES - PRODUCT REQUIREMENTS FOR PREFABRICATED STRUCTURAL MEMBERS ASSEMBLED WITH PUNCHED METAL PLATE FASTENERS
    DIN EN 1995-1-1 E : 2010 EUROCODE 5: DESIGN OF TIMBER STRUCTURES - PART 1-1: GENERAL - COMMON RULES AND RULES FOR BUILDINGS
    DIN EN 14080:2013-09 TIMBER STRUCTURES - GLUED LAMINATED TIMBER AND GLUED SOLID TIMBER - REQUIREMENTS
    DIN EN 1995-1-2 E : 2010 EUROCODE 5: DESIGN OF TIMBER STRUCTURES - PART 1-2: GENERAL - STRUCTURAL FIRE DESIGN
    DIN EN 1995-1-1:2010-12 Eurocode 5: Design of timber structures - Part 1-1: General - Common rules and rules for buildings (includes Corrigendum AC:2006 + Amendment A1:2008)
    DIN EN 14250:2010-05 Timber structures - Product requirements for prefabricated structural members assembled with punched metal plate fasteners
    UNE-EN 14080:2013 Timber structures - Glued laminated timber and glued solid timber - Requirements
    BS EN 1912:2012 Structural Timber. Strength classes. Assignment of visual grades and species
    BS EN 1995-1-1 : 2012 EUROCODE 5: DESIGN OF TIMBER STRUCTURES - PART 1-1: GENERAL - COMMON RULES AND RULES FOR BUILDINGS
    BS EN 14081-4 : 2009 TIMBER STRUCTURES - STRENGTH GRADED STRUCTURAL TIMBER WITH RECTANGULAR CROSS SECTION - PART 4: MACHINE GRADING - GRADING MACHINE SETTINGS FOR MACHINE CONTROLLED SYSTEMS
    BS EN 384:2010 STRUCTURAL TIMBER - DETERMINATION OF CHARACTERISTIC VALUES OF MECHANICAL PROPERTIES AND DENSITY
    BS EN 14081-2 : 2010 TIMBER STRUCTURES - STRENGTH GRADED STRUCTURAL TIMBER WITH RECTANGULAR CROSS SECTION - PART 2: MACHINE GRADING; ADDITIONAL REQUIREMENTS FOR INITIAL TYPE TESTING
    UNE-EN 14250:2010 Timber structures - Product requirements for prefabricated structural members assembled with punched metal plate fasteners
    UNE-EN 384:2016 Structural timber - Determination of characteristic values of mechanical properties and density
    BS EN 1380 : 2009 TIMBER STRUCTURES - TEST METHODS - LOAD BEARING NAILS, SCREWS, DOWELS AND BOLTS
    UNE-EN 16351:2016 Timber structures - Cross laminated timber - Requirements
    BS EN 14081-3 : 2012 TIMBER STRUCTURES - STRENGTH GRADED STRUCTURAL TIMBER WITH RECTANGULAR CROSS SECTION - PART 3: MACHINE GRADING; ADDITIONAL REQUIREMENTS FOR FACTORY PRODUCTION CONTROL
    BS EN 1995-1-2 : 2004 EUROCODE 5: DESIGN OF TIMBER STRUCTURES - PART 1-2: GENERAL - STRUCTURAL FIRE DESIGN
    UNE-EN 1995-1-1:2016 Eurocode 5: Design of timber structures - Part 1-1: General - Common rules and rules for buildings.
    BS EN 14250 : 2010 TIMBER STRUCTURES - PRODUCT REQUIREMENTS FOR PREFABRICATED STRUCTURAL MEMBERS ASSEMBLED WITH PUNCHED METAL PLATE FASTENERS
    BS EN 14080 : 2013 TIMBER STRUCTURES - GLUED LAMINATED TIMBER AND GLUED SOLID TIMBER - REQUIREMENTS
    UNE-EN 1912:2012 Structural Timber - Strength classes - Assignment of visual grades and species
    I.S. EN 14080:2013 TIMBER STRUCTURES - GLUED LAMINATED TIMBER AND GLUED SOLID TIMBER - REQUIREMENTS
    UNE-EN 14081-2:2010 Timber structures - Strength graded structural timber with rectangular cross section - Part 2: Machine grading; additional requirements for initial type testing
    I.S. EN 1380:2009 TIMBER STRUCTURES - TEST METHODS - LOAD BEARING NAILS, SCREWS, DOWELS AND BOLTS
    I.S. EN 14081-2:2010 TIMBER STRUCTURES - STRENGTH GRADED STRUCTURAL TIMBER WITH RECTANGULAR CROSS SECTION - PART 2: MACHINE GRADING; ADDITIONAL REQUIREMENTS FOR INITIAL TYPE TESTING
    I.S. EN 1912:2012 STRUCTURAL TIMBER - STRENGTH CLASSES - ASSIGNMENT OF VISUAL GRADES AND SPECIES
    I.S. EN 14250:2010 TIMBER STRUCTURES - PRODUCT REQUIREMENTS FOR PREFABRICATED STRUCTURAL MEMBERS ASSEMBLED WITH PUNCHED METAL PLATE FASTENERS
    EN 16351 : 2015 TIMBER STRUCTURES - CROSS LAMINATED TIMBER - REQUIREMENTS
    EN 14250 : 2010 TIMBER STRUCTURES - PRODUCT REQUIREMENTS FOR PREFABRICATED STRUCTURAL MEMBERS ASSEMBLED WITH PUNCHED METAL PLATE FASTENERS
    DIN EN 1995-1-2:2010-12 Eurocode 5: Design of timber structures - Part 1-2: General - Structural fire design (includes Corrigendum AC:2009)
    DIN EN 14081-4:2009-06 TIMBER STRUCTURES - STRENGTH GRADED STRUCTURAL TIMBER WITH RECTANGULAR CROSS SECTION - PART 4: MACHINE GRADING - GRADING MACHINE SETTINGS FOR MACHINE CONTROLLED SYSTEMS
    DIN EN 14081-4:2009-10 TIMBER STRUCTURES - STRENGTH GRADED STRUCTURAL TIMBER WITH RECTANGULAR CROSS SECTION - PART 4: MACHINE GRADING - GRADING MACHINE SETTINGS FOR MACHINE CONTROLLED SYSTEMS
    DIN EN 14081-3:2012-04 TIMBER STRUCTURES - STRENGTH GRADED STRUCTURAL TIMBER WITH RECTANGULAR CROSS SECTION - PART 3: MACHINE GRADING; ADDITIONAL REQUIREMENTS FOR FACTORY PRODUCTION CONTROL
    EN 14080 : 2013 TIMBER STRUCTURES - GLUED LAMINATED TIMBER AND GLUED SOLID TIMBER - REQUIREMENTS
    EN 384 : 2016 STRUCTURAL TIMBER - DETERMINATION OF CHARACTERISTIC VALUES OF MECHANICAL PROPERTIES AND DENSITY
    EN 14081-3 : 2012 TIMBER STRUCTURES - STRENGTH GRADED STRUCTURAL TIMBER WITH RECTANGULAR CROSS SECTION - PART 3: MACHINE GRADING; ADDITIONAL REQUIREMENTS FOR FACTORY PRODUCTION CONTROL
    EN 1995-1-2:2004/AC:2009 EUROCODE 5: DESIGN OF TIMBER STRUCTURES - PART 1-2: GENERAL - STRUCTURAL FIRE DESIGN
    EN 15497 : 2014 STRUCTURAL FINGER JOINTED SOLID TIMBER - PERFORMANCE REQUIREMENTS AND MINIMUM PRODUCTION REQUIREMENTS
    EN 1380 : 2009 TIMBER STRUCTURES - TEST METHODS - LOAD BEARING NAILS, SCREWS, DOWELS AND BOLTS
    EN 1912:2012/AC:2013 STRUCTURAL TIMBER - STRENGTH CLASSES - ASSIGNMENT OF VISUAL GRADES AND SPECIES
    EN 16737 : 2016 STRUCTURAL TIMBER - VISUAL STRENGTH GRADING OF TROPICAL HARDWOOD
    EN 15228 : 2009 STRUCTURAL TIMBER - STRUCTURAL TIMBER PRESERVATIVE TREATED AGAINST BIOLOGICAL ATTACK
    EN 14081-2 : 2010 + A1 2012 TIMBER STRUCTURES - STRENGTH GRADED STRUCTURAL TIMBER WITH RECTANGULAR CROSS SECTION - PART 2: MACHINE GRADING; ADDITIONAL REQUIREMENTS FOR INITIAL TYPE TESTING

    Standards Referencing This Book - (Show below) - (Hide below)

    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 350-1 : 1994 DURABILITY OF WOOD AND WOOD BASED PRODUCTS - NATURAL DURABILITY OF SOLID WOOD - PART 1: GUIDE TO THE PRINCIPLES OF TESTING AND CLASSIFICATION OF THE NATURAL DURABILITY OF WOOD
    EN 1912:2012/AC:2013 STRUCTURAL TIMBER - STRENGTH CLASSES - ASSIGNMENT OF VISUAL GRADES AND SPECIES
    EN 14081-2 : 2010 + A1 2012 TIMBER STRUCTURES - STRENGTH GRADED STRUCTURAL TIMBER WITH RECTANGULAR CROSS SECTION - PART 2: MACHINE GRADING; ADDITIONAL REQUIREMENTS FOR INITIAL TYPE TESTING
    EN 16485 : 2014 ROUND AND SAWN TIMBER - ENVIRONMENTAL PRODUCT DECLARATIONS - PRODUCT CATEGORY RULES FOR WOOD AND WOOD-BASED PRODUCTS FOR USE IN CONSTRUCTION
    EN 15804:2012 SUSTAINABILITY OF CONSTRUCTION WORKS - ENVIRONMENTAL PRODUCT DECLARATIONS - CORE RULES FOR THE PRODUCT CATEGORY OF CONSTRUCTION PRODUCTS
    EN ISO 3166-1 : 2014 CODES FOR THE REPRESENTATION OF NAMES OF COUNTRIES AND THEIR SUBDIVISIONS - PART 1: COUNTRY CODES (ISO 3166-1:2013)
    EN 13501-2 : 2016 FIRE CLASSIFICATION OF CONSTRUCTION PRODUCTS AND BUILDING ELEMENTS - PART 2: CLASSIFICATION USING DATA FROM FIRE RESISTANCE TESTS, EXCLUDING VENTILATION SERVICES
    EN 844-7 : 1997 ROUND AND SAWN TIMBER - TERMINOLOGY - PART 7: TERMS RELATING TO ANATOMICAL STRUCTURE OF TIMBER
    EN 13556 : 2003 ROUND AND SAWN TIMBER - NOMENCLATURE OF TIMBERS USED IN EUROPE
    EN 13238 : 2010 REACTION TO FIRE TESTS FOR BUILDING PRODUCTS - CONDITIONING PROCEDURES AND GENERAL RULES FOR SELECTION OF SUBSTRATES
    EN 16449 : 2014 WOOD AND WOOD-BASED PRODUCTS - CALCULATION OF THE BIOGENIC CARBON CONTENT OF WOOD AND CONVERSION TO CARBON DIOXIDE
    EN 13823:2010+A1:2014 REACTION TO FIRE TESTS FOR BUILDING PRODUCTS - BUILDING PRODUCTS EXCLUDING FLOORINGS EXPOSED TO THE THERMAL ATTACK BY A SINGLE BURNING ITEM
    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 336 : 2013 STRUCTURAL TIMBER - SIZES, PERMITTED DEVIATIONS
    EN ISO 9001 : 2015 QUALITY MANAGEMENT SYSTEMS - REQUIREMENTS (ISO 9001:2015)
    EN 15942:2011 SUSTAINABILITY OF CONSTRUCTION WORKS - ENVIRONMENTAL PRODUCT DECLARATIONS - COMMUNICATION FORMAT BUSINESS-TO-BUSINESS
    EN 1995-1-2:2004/AC:2009 EUROCODE 5: DESIGN OF TIMBER STRUCTURES - PART 1-2: GENERAL - STRUCTURAL FIRE DESIGN
    EN 844-10 : 1998 FOUND AND SAWN TIMBER - TERMINOLOGY - PART 10: TERMS RELATING TO STAIN AND FUNGAL ATTACK
    ISO 9001:2015 Quality management systems Requirements
    EN 338 : 2016 STRUCTURAL TIMBER - STRENGTH CLASSES
    ISO 3166-1:2013 Codes for the representation of names of countries and their subdivisions Part 1: Country codes
    EN 14358 : 2016 TIMBER STRUCTURES - CALCULATION AND VERIFICATION OF CHARACTERISTIC VALUES
    EN 844-9 : 1997 ROUND AND SAWN TIMBER - TERMINOLOGY - PART 9: TERMS RELATING TO FEATURES OF SAWN TIMBER
    EN 14081-3 : 2012 TIMBER STRUCTURES - STRENGTH GRADED STRUCTURAL TIMBER WITH RECTANGULAR CROSS SECTION - PART 3: MACHINE GRADING; ADDITIONAL REQUIREMENTS FOR FACTORY PRODUCTION CONTROL
    EN 15228 : 2009 STRUCTURAL TIMBER - STRUCTURAL TIMBER PRESERVATIVE TREATED AGAINST BIOLOGICAL ATTACK
    EN 384 : 2016 STRUCTURAL TIMBER - DETERMINATION OF CHARACTERISTIC VALUES OF MECHANICAL PROPERTIES AND DENSITY
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