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  • PREN 14374 : DRAFT 2016

    Current The latest, up-to-date edition.

    TIMBER STRUCTURES - LAMINATED VENEER LUMBER (LVL) - REQUIREMENTS

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    Language(s): 

    Published date:  31-05-2016

    Publisher:  Comite Europeen de Normalisation

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

    European foreword
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Symbols
    5 Classification
    6 Material characteristics and testing, assessment
      and sampling methods
    7 Assessment and Verification of Constancy of
      Performance (AVCP)
    8 Marking and labelling
    Annex A (normative) - Testing of strength, stiffness and
            density properties of laminated veneer lumber
    Annex B (normative) - Strength classes for structural
            laminated veneer lumber
    Annex C (normative) - Layup factors for laminated veneer
            lumber with cross-band veneers
    Annex D (normative) - Testing of bonding quality for
            structural LVL
    Annex E (normative) - Testing of bonding strength for
            non-structural LVL
    Annex F (normative) - Release of formaldehyde
    Annex G (informative) - Supplementary characteristics
    Annex H (informative) - Supplementary design rules
    Annex ZA (informative) - Relationship of this European
             Standard with Regulation (EU) No 305/2011
    Bibliography

    Abstract - (Show below) - (Hide below)

    Describes provisions regarding the performance characteristics of structural laminated veneer lumber (LVL) for use in buildings and bridges and non-structural laminated veneer lumber for internal and external applications in construction.

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

    Comment Closes On
    Committee TC 124
    Document Type Draft
    Publisher Comite Europeen de Normalisation
    Status Current

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

    03/315081 DC : DRAFT SEP 2003 EN 14732-2 - TIMBER STRUCTURES - PREFABRICATED WALL, FLOOR AND ROOF ELEMENTS - PART 2: PERFORMANCE REQUIREMENTS AND MINIMUM PRODUCTION REQUIREMENTS

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

    EN 635-2:1995 Plywood - Classification by surface appearance - Part 2: Hardwood
    CEN/TS 1099:2007 Plywood - Biological durability - Guidance for the assessment of plywood for use in different use classes
    EN 351-2:2007 Durability of wood and wood-based products - Preservative-treated solid wood - Part 2: Guidance on sampling for the analysis of preservative-treated wood
    CEN/TS 16516:2013 Construction products - Assessment of release of dangerous substances - Determination of emissions into indoor air
    ISO 354:2003 Acoustics — Measurement of sound absorption in a reverberation room
    EN 310:1993 Wood-based panels - Determination of modulus of elasticity in bending and of bending strength
    ISO 10140-2:2010 Acoustics Laboratory measurement of sound insulation of building elements Part 2: Measurement of airborne sound insulation
    EN 326-1:1994 Wood-based panels - Sampling, cutting and inspection - Part 1: Sampling and cutting of test pieces and expression of test results
    EN 322:1993 Wood-based panels - Determination of moisture content
    EN 335:2013 Durability of wood and wood-based products - Use classes: definitions, application to solid wood and wood-based products
    EN 351-1:2007 Durability of wood and wood-based products - Preservative-treated solid wood - Part 1: Classification of preservative penetration and retention
    EN 596:1995 Timber structures - Test methods - Soft body impact test of timber framed walls
    EN 324-1:1993 Wood-based panels - Determination of dimensions of boards - Part 1: Determination of thickness, width and length
    EN 717-1:2004 Wood-based panels - Determination of formaldehyde release - Part 1: Formaldehyde emission by the chamber method
    EN 13446:2002 Wood-based panels - Determination of withdrawal capacity of fasteners
    EN 1156:2013 Wood-based panels - Determination of duration of load and creep factors
    ISO 11925-2:2010 Reaction to fire tests Ignitability of products subjected to direct impingement of flame Part 2: Single-flame source test
    EN 1380:2009 Timber structures - Test methods - Load bearing nails, screws, dowels and bolts
    EN ISO 12460-3:2015 WOOD-BASED PANELS - DETERMINATION OF FORMALDEHYDE RELEASE - PART 3: GAS ANALYSIS METHOD (ISO 12460-3:2015)
    EN 1382:2016 Timber Structures - Test methods - Withdrawal capacity of timber fasteners
    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 789:2004 Timber structures - Test methods - Determination of mechanical properties of wood based panels
    EN 13238:2010 Reaction to fire tests for building products - Conditioning procedures and general rules for selection of substrates
    EN 12114:2000 Thermal performance of buildings - Air permeability of building components and building elements - Laboratory test method
    EN 1383:2016 Timber structures - Test methods - Pull through resistance of timber fasteners
    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 594:2011 Timber structures - Test methods - Racking strength and stiffness of timber frame wall panels
    ISO 12572:2016 Hygrothermal performance of building materials and products Determination of water vapour transmission properties Cup method
    EN ISO 12572:2016 Hygrothermal performance of building materials and products - Determination of water vapour transmission properties - Cup method (ISO 12572:2016)
    EN 323:1993 Wood-based panels - Determination of density
    EN ISO 9239-1:2010 Reaction to fire tests for floorings - Part 1: Determination of the burning behaviour using a radiant heat source (ISO 9239-1:2010)
    EN ISO 354:2003 Acoustics - Measurement of sound absorption in a reverberation room (ISO 354:2003)
    EN ISO 9001:2015 Quality management systems - Requirements (ISO 9001:2015)
    EN 1381:2016 Timber structures - Test methods - Load bearing stapled joints
    EN 12664:2001 Thermal performance of building materials and products - Determination of thermal resistance by means of guarded hot plate and heat flow meter methods - Dry and moist products of medium and low thermal resistance
    EN 1995-1-2:2004/AC:2009 EUROCODE 5: DESIGN OF TIMBER STRUCTURES - PART 1-2: GENERAL - STRUCTURAL FIRE DESIGN
    EN 408:2010+A1:2012 Timber structures - Structural timber and glued laminated timber - Determination of some physical and mechanical properties
    EN ISO 10140-2:2010 Acoustics - Laboratory measurement of sound insulation of building elements - Part 2: Measurement of airborne sound insulation (ISO 10140-2:2010)
    EN 318:2002 Wood based panels - Determination of dimensional changes associated with changes in relative humidity
    ISO 12460-3:2015 Wood-based panels Determination of formaldehyde release Part 3: Gas analysis method
    ISO 9001:2015 Quality management systems — Requirements
    ISO 717-1:2013 Acoustics Rating of sound insulation in buildings and of building elements Part 1: Airborne sound insulation
    EN 314-2:1993 Plywood - Bonding quality - Part 2: Requirements
    EN 1995-1-1:2004/A2:2014 EUROCODE 5: DESIGN OF TIMBER STRUCTURES - PART 1-1: GENERAL - COMMON RULES AND RULES FOR BUILDINGS
    EN 12871:2013 Wood-based panels - Determination of performance characteristics for load bearing panels for use in floors, roofs and walls
    EN 635-3:1995 Plywood - Classification by surface appearance - Part 3: Softwood
    EN 14358:2016 Timber structures - Calculation and verification of characteristic values
    CEN/TS 635-4:2007 Plywood - Classification by surface appearance - Part 4: Parameters of ability for finishing, guideline
    EN 383:2007 Timber Structures - Test methods - Determination of embedment strength and foundation values for dowel type fasteners
    ISO 9239-1:2010 Reaction to fire tests for floorings Part 1: Determination of the burning behaviour using a radiant heat source
    EN 636:2012+A1:2015 Plywood - Specifications
    EN 635-5:1999 Plywood - Classification by surface appearance - Part 5: Methods for measuring and expressing characteristics and defects
    EN ISO 11925-2:2010/AC:2011 REACTION TO FIRE TESTS - IGNITABILITY OF PRODUCTS SUBJECTED TO DIRECT IMPINGEMENT OF FLAME - PART 2: SINGLE-FLAME SOURCE TEST
    EN 314-1:2004 Plywood - Bonding quality - Part 1: Test methods
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