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CEN
EN 927-6:2006

EN 927-6:2006

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Paints and varnishes - Coating materials and coating systems for exterior wood - Part 6: Exposure of wood coatings to artificial weathering using fluorescent UV lamps and water

Superseded date

23-03-2022

Superseded by

EN 927-6:2018

Published date

02-08-2006

Publisher

Comite Europeen de Normalisation

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Foreword
Introduction
1 Scope
2 Normative references
3 Principle
4 Apparatus
  4.1 Test chamber
  4.2 Lamps
  4.3 Device for wetting the test panels
  4.4 Black panel thermometer
  4.5 Irradiance control
5 Test panels
  5.1 Wood
  5.2 Preparation and selection of wood panels
  5.3 Preparation of coated panels
6 Procedure
  6.1 Examination before exposure
  6.2 Mounting the test panels
  6.3 Exposure
  6.4 Examination of test panels
7 Precision
8 Expression of results and test report
Annex A (normative) - Details of test methods
      A.1 Gloss and change of gloss
      A.2 Colour and colour change
      A.3 Blistering
      A.4 Flaking
      A.5 Cracking
      A.6 Chalking
      A.7 General appearance
      A.8 Adhesion
Annex B (informative) - Explanatory notes
      B.1 Explanation of exposure cycle
      B.2 Reproducibility
      B.3 Correlation to natural weathering
      B.4 Dependency on wood species and substrate
      B.5 Recommendation of periodical performance assessments
Annex C (informative) - Test for heartwood in pine
Annex D (informative) - Water treatment, devices for
        water purification
Annex E (normative) - Test for abnormally porous wood
Annex F (informative) - Alternative procedure for
        preparation and coating of panels
Bibliography

This part of EN 927 specifies a method for determining the resistance of wood coatings to artificial weathering performed in an apparatus equipped with fluorescent UV lamps, condensation and water spray devices.

Committee
CEN/TC 139
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Superseded
SupersededBy

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I.S. EN 15534-4:2014 COMPOSITES MADE FROM CELLULOSE-BASED MATERIALS AND THERMOPLASTICS (USUALLY CALLED WOOD-POLYMER COMPOSITES (WPC) OR NATURAL FIBRE COMPOSITES (NFC)) - PART 4: SPECIFICATIONS FOR DECKING PROFILES AND TILES
I.S. EN 152:2011 WOOD PRESERVATIVES - DETERMINATION OF THE PROTECTIVE EFFECTIVENESS OF A PRESERVATIVE TREATMENT AGAINST BLUE STAIN IN WOOD IN SERVICE - LABORATORY METHOD
BS EN 152:2011 Wood preservatives. Determination of the protective effectiveness of a preservative treatment against blue stain in wood in service. Laboratory method
S.R. CEN TS 15534-1:2007 WOOD-PLASTICS COMPOSITES (WPC) - PART 1: TEST METHODS FOR CHARACTERISATION OF WPC MATERIALS AND PRODUCTS
S.R. CEN/TS 15679:2007 THERMAL MODIFIED TIMBER - DEFINITIONS AND CHARACTERISTICS
UNE-EN 15534-5:2014 Composites made from cellulose-based materials and thermoplastics (usually called wood-polymer composites (WPC) or natural fibre composites (NFC)) - Part 5: Specifications for cladding profiles and tiles
CEN/TS 15534-1:2007 Wood-plastics composites (WPC) - Part 1: Test methods for characterisation of WPC materials and products
CEN/TS 15679:2007 Thermal Modified Timber - Definitions and characteristics
EN 16755:2017 Durability of reaction to fire performance - Classes of fire-retardant treated wood products in interior and exterior end use applications
EN 15534-5:2014 Composites made from cellulose-based materials and thermoplastics (usually called wood-polymer composites (WPC) or natural fibre composites (NFC)) - Part 5: Specifications for cladding profiles and tiles
EN 15534-4:2014 Composites made from cellulose-based materials and thermoplastics (usually called wood-polymer composites (WPC) or natural fibre composites (NFC)) - Part 4: Specifications for decking profiles and tiles
UNI EN 15534-5 : 2014 COMPOSITES MADE FROM CELLULOSE-BASED MATERIALS AND THERMOPLASTICS (USUALLY CALLED WOOD-POLYMER COMPOSITES (WPC) OR NATURAL FIBRE COMPOSITES (NFC)) - PART 5: SPECIFICATIONS FOR CLADDING PROFILES AND TILES
UNI EN 152 : 2012 WOOD PRESERVATIVES - DETERMINATION OF THE PROTECTIVE EFFECTIVENESS OF A PRESERVATIVE TREATMENT AGAINST BLUE STAIN IN WOOD IN SERVICE - LABORATORY METHOD
12/30266170 DC : 0 BS EN 15534-1 - COMPOSITES MADE FROM CELLULOSE-BASED MATERIALS AND THERMOPLASTICS (USUALLY CALLED WOOD-POLYMER COMPOSITES (WPC) OR NATURAL FIBRE COMPOSITES (NFC)) - PART 1 : TEST METHODS FOR CHARACTERISATION OF COMPOUNDS AND PRODUCTS
UNI EN 15534-4 : 2014 COMPOSITES MADE FROM CELLULOSE-BASED MATERIALS AND THERMOPLASTICS (USUALLY CALLED WOOD-POLYMER COMPOSITES (WPC) OR NATURAL FIBRE COMPOSITES (NFC)) - PART 4: SPECIFICATIONS FOR DECKING PROFILES AND TILES
BS EN 15534-1 : 2014 COMPOSITES MADE FROM CELLULOSE-BASED MATERIALS AND THERMOPLASTICS (USUALLY CALLED WOOD-POLYMER COMPOSITES (WPC) OR NATURAL FIBRE COMPOSITES (NFC)) - PART 1: TEST METHODS FOR CHARACTERISATION OF COMPOUNDS AND PRODUCTS
BS EN 15534-5:2014 Composites made from cellulose-based materials and thermoplastics (usually called wood-polymer composites (WPC) or natural fibre composites (NFC)) Specifications for cladding profiles and tiles
13/30274695 DC : 0 BS EN 927-2 - PAINTS AND VARNISHES - COATING MATERIALS AND COATING SYSTEMS FOR EXTERIOR WOOD - PART 2: PERFORMANCE SPECIFICATION
DD CEN/TS 15534-1:2007 Wood-plastics composites (WPC) Test methods for characterisation of WPC materials and products
I.S. EN 15534-5:2014 COMPOSITES MADE FROM CELLULOSE-BASED MATERIALS AND THERMOPLASTICS (USUALLY CALLED WOOD-POLYMER COMPOSITES (WPC) OR NATURAL FIBRE COMPOSITES (NFC)) - PART 5: SPECIFICATIONS FOR CLADDING PROFILES AND TILES
BS EN 15534-4:2014 Composites made from cellulose-based materials and thermoplastics (usually called wood-polymer composites (WPC) or natural fibre composites (NFC)) Specifications for decking profiles and tiles
PREN 16755 : DRAFT 2014 DURABILITY OF REACTION TO FIRE PERFORMANCE - CLASSES OF FIRERETARDANT TREATED WOOD PRODUCTS IN INTERIOR AND EXTERIOR END USE APPLICATIONS
UNE-EN 16755:2018 Durability of reaction to fire performance - Classes of fire-retardant treated wood products in interior and exterior end use applications
UNE-CEN/TS 15679:2009 EX Thermal Modified Timber - Definitions and characteristics
10/30212120 DC : 0 BS EN 152 - TEST METHODS FOR WOOD PRESERVATIVES - LABORATORY METHOD FOR DETERMINING THE PROTECTIVE EFFECTIVENESS OF A TREATMENT AGAINST BLUE STAIN IN SERVICE
DD CEN/TS 15679:2007 Thermal modified timber. Definitions and characteristics
UNI CEN/TS 15679 : 2008 THERMAL MODIFIED TIMBER - DEFINITIONS AND CHARACTERISTICS
NF EN 152 : 2012 WOOD PRESERVATIVES - DETERMINATION OF THE PROTECTIVE EFFECTIVENESS OF A PRESERVATIVE TREATMENT AGAINST BLUE STAIN IN WOOD IN SERVICE - LABORATORY METHOD
EN 15534-6:2015+A1:2017 Composites made from cellulose-based materials and thermoplastics (usually called wood-polymer composites (WPC) or natural fibre composites (NFC)) - Part 6: Specifications for fencing profiles and elements
S.R. CEN TS 15534-3:2007 WOOD-PLASTICS COMPOSITES (WPC) - PART 3: CHARACTERISATION OF WPC PRODUCTS
EN 927-2:2014 Paints and varnishes - Coating materials and coating systems for exterior wood - Part 2: Performance specification
EN 152:2011 Wood preservatives - Determination of the protective effectiveness of a preservative treatment against blue stain in wood in service - Laboratory method
I.S. EN 16755:2017 DURABILITY OF REACTION TO FIRE PERFORMANCE - CLASSES OF FIRE-RETARDANT TREATED WOOD PRODUCTS IN INTERIOR AND EXTERIOR END USE APPLICATIONS
14/30300561 DC : 0 BS EN 16755 - DURABILITY OF REACTION TO FIRE PERFORMANCE - CLASSES OF FIRERETARDANT TREATED WOOD PRODUCTS IN INTERIOR AND EXTERIOR END USE APPLICATIONS
UNE-EN 152:2012 Wood preservatives - Determination of the protective effectiveness of a preservative treatment against blue stain in wood in service - Laboratory method
UNI EN 927-2 : 2014 PAINTS AND VARNISHES - COATING MATERIALS AND COATING SYSTEMS FOR EXTERIOR WOOD - PART 2: PERFORMANCE SPECIFICATION
I.S. EN 15534-1:2014 COMPOSITES MADE FROM CELLULOSE-BASED MATERIALS AND THERMOPLASTICS (USUALLY CALLED WOOD-POLYMER COMPOSITES (WPC) OR NATURAL FIBRE COMPOSITES (NFC)) - PART 1: TEST METHODS FOR CHARACTERISATION OF COMPOUNDS AND PRODUCTS
DIN EN 927-2:2014-11 Paints and varnishes - Coating materials and coating systems for exterior wood - Part 2: Performance specification
14/30294067 DC : 0 BS EN 15534-6 - COMPOSITES MADE FROM CELLULOSE-BASED MATERIALS AND THERMOPLASTICS (USUALLY CALLED WOOD-POLYMER COMPOSITES (WPC) OR NATURAL FIBRE COMPOSITES (NFC)) - PART 6: SPECIFICATIONS FOR FENCING PROFILES AND SYSTEMS
BS EN 927-2:2014 Paints and varnishes. Coating materials and coating systems for exterior wood Performance specification
DIN EN 15534-4:2014-04 COMPOSITES MADE FROM CELLULOSE-BASED MATERIALS AND THERMOPLASTICS (USUALLY CALLED WOOD-POLYMER COMPOSITES (WPC) OR NATURAL FIBRE COMPOSITES (NFC)) - PART 4: SPECIFICATIONS FOR DECKING PROFILES AND TILES
DIN EN 152:2012-02 Wood preservatives - Determination of the protective effectiveness of a preservative treatment against blue stain in wood in service - Laboratory method
I.S. EN 15534-6:2015 COMPOSITES MADE FROM CELLULOSE-BASED MATERIALS AND THERMOPLASTICS (USUALLY CALLED WOOD-POLYMER COMPOSITES (WPC) OR NATURAL FIBRE COMPOSITES (NFC)) - PART 6: SPECIFICATIONS FOR FENCING PROFILES AND ELEMENTS
DD CEN/TS 15534-3:2007 Wood-plastics composites (WPC) Characterisation of WPC products
BS EN 15534-6 : 2015 COMPOSITES MADE FROM CELLULOSE-BASED MATERIALS AND THERMOPLASTICS (USUALLY CALLED WOOD-POLYMER COMPOSITES (WPC) OR NATURAL FIBRE COMPOSITES (NFC)) - PART 6: SPECIFICATIONS FOR FENCING PROFILES AND ELEMENTS
UNE-EN 927-2:2015 Paints and varnishes - Coating materials and coating systems for exterior wood - Part 2: Performance specification
I.S. EN 927-2:2014 PAINTS AND VARNISHES - COATING MATERIALS AND COATING SYSTEMS FOR EXTERIOR WOOD - PART 2: PERFORMANCE SPECIFICATION
CEN/TS 15534-3:2007 Wood-plastics composites (WPC) - Part 3: Characterisation of WPC products
UNE-EN 15534-6:2016 Composites made from cellulose-based materials and thermoplastics (usually called wood-polymer composites (WPC) or natural fibre composites (NFC)) - Part 6: Specifications for fencing profiles and elements

ISO 7724-1:1984 Paints and varnishes Colorimetry Part 1: Principles
ISO 4892-1:2016 Plastics — Methods of exposure to laboratory light sources — Part 1: General guidance
EN ISO 4628-2:2016 Paints and varnishes - Evaluation of degradation of coatings - Designation of quantity and size of defects, and of intensity of uniform changes in appearance - Part 2: Assessment of degree of blistering (ISO 4628-2:2016)
EN ISO 4892-1:2016 Plastics - Methods of exposure to laboratory light sources - Part 1: General guidance (ISO 4892-1:2016)
EN ISO 4628-1:2016 Paints and varnishes - Evaluation of degradation of coatings - Designation of quantity and size of defects, and of intensity of uniform changes in appearance - Part 1: General introduction and designation system (ISO 4628-1:2016)
EN ISO 4892-3:2016 Plastics - Methods of exposure to laboratory light sources - Part 3: Fluorescent UV lamps (ISO 4892-3:2016)
ISO 2808:2007 Paints and varnishes Determination of film thickness
ISO 7724-2:1984 Paints and varnishes Colorimetry Part 2: Colour measurement
EN ISO 2409:2013 Paints and varnishes - Cross-cut test (ISO 2409:2013)
EN 927-1:2013 Paints and varnishes - Coating materials and coating systems for exterior wood - Part 1: Classification and selection
EN ISO 4628-4:2016 Paints and varnishes - Evaluation of degradation of coatings - Designation of quantity and size of defects, and of intensity of uniform changes in appearance - Part 4: Assessment of degree of cracking (ISO 4628-4:2016)
ISO 4628-4:2016 Paints and varnishes Evaluation of degradation of coatings Designation of quantity and size of defects, and of intensity of uniform changes in appearance Part 4: Assessment of degree of cracking
ISO 2810:2004 Paints and varnishes Natural weathering of coatings Exposure and assessment
ASTM G 154 : 2016 : REDLINE Standard Practice for Operating Fluorescent Ultraviolet (UV) Lamp Apparatus for Exposure of Nonmetallic Materials
ISO 4628-5:2016 Paints and varnishes — Evaluation of degradation of coatings — Designation of quantity and size of defects, and of intensity of uniform changes in appearance — Part 5: Assessment of degree of flaking
ISO 4628-1:2016 Paints and varnishes Evaluation of degradation of coatings Designation of quantity and size of defects, and of intensity of uniform changes in appearance Part 1: General introduction and designation system
ISO 4892-3:2016 Plastics — Methods of exposure to laboratory light sources — Part 3: Fluorescent UV lamps
EN ISO 4628-6:2011 Paints and varnishes - Evaluation of degradation of coatings - Designation of quantity and size of defects, and of intensity of uniform changes in appearance - Part 6: Assessment of degree of chalking by tape method (ISO 4628-6:2011)
ISO 4628-6:2011 Paints and varnishes — Evaluation of degradation of coatings — Designation of quantity and size of defects, and of intensity of uniform changes in appearance — Part 6: Assessment of degree of chalking by tape method
EN ISO 2810:2004 Paints and varnishes - Natural weathering of coatings - Exposure and assessment (ISO 2810:2004)
ISO 554:1976 Standard atmospheres for conditioning and/or testing — Specifications
EN ISO 4628-5:2016 Paints and varnishes - Evaluation of degradation of coatings - Designation of quantity and size of defects, and of intensity of uniform changes in appearance - Part 5: Assessment of degree of flaking (ISO 4628-5:2016)
ISO 2409:2013 Paints and varnishes Cross-cut test
EN ISO 2808:2007 Paints and varnishes - Determination of film thickness (ISO 2808:2007)
ISO 4628-2:2016 Paints and varnishes Evaluation of degradation of coatings Designation of quantity and size of defects, and of intensity of uniform changes in appearance Part 2: Assessment of degree of blistering
ISO 2813:2014 Paints and varnishes — Determination of gloss value at 20°, 60° and 85°
EN ISO 2813:2014 Paints and varnishes - Determination of gloss value at 20°, 60° and 85° (ISO 2813:2014)
EN 927-3:2012 Paints and varnishes - Coating materials and coating systems for exterior wood - Part 3: Natural weathering test

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