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EN 927-3:2012

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by

Paints and varnishes - Coating materials and coating systems for exterior wood - Part 3: Natural weathering test

Published date

25-07-2012

Superseded date

25-09-2019

Superseded by

EN 927-3:2019

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Foreword
1 Scope
2 Normative references
3 Principle
4 Apparatus and materials
5 Sampling
6 Test panels
7 Procedure
8 Precision data
9 Expression of results and test report
Annex A (normative) - Internal Comparison Product (ICP)
        alkyd stain
Annex B (normative) - Details of test methods
Annex C (normative) - Assessment requirements for panels of
        test coatings and ICP
Annex D (informative) - Suggested format for a test report
Annex E (informative) - Optional tests including variations
        to standard weathering test procedure to obtain
        additional information on coating performance
Annex F (informative) - Explanatory notes
Annex G (informative) - Precision data
Bibliography

This European Standard specifies a natural weathering test for exterior wood coating systems mainly intended for decoration and protection of planed and sawn wood.The test provides a means of evaluating the performance of a wood coating system during outdoor exposure. It forms the basis for the performance specification in accordance with EN 927-2.

Committee
CEN/TC 139
DevelopmentNote
Supersedes PREN 927-3. (08/2012)
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
DIN EN 927-3:2012-10 Identical
PN EN 927-3 : 2012 Identical
NEN EN 927-3 : 2012 Identical
BS EN 927-3:2012 Identical
NS EN 927-3 : 2012 Identical
I.S. EN 927-3:2012 Identical
NBN EN 927-3 : 2012 Identical
NF EN 927-3 : 2012 Identical
UNE-EN 927-3:2013 Identical

PD CEN/TS 16360:2012 Paints and varnishes. Coating materials and coating systems for exterior wood. Assessment of film extensibility by indentation of a coating on a wooden substrate
PD CEN/TS 15912:2012 Durability of reaction to fire performance. Classes of fire-retardant treated wood-based product in interior and exterior end use applications
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 16360:2012 PAINTS AND VARNISHES - COATING MATERIALS AND COATING SYSTEMS FOR EXTERIOR WOOD - ASSESSMENT OF FILM EXTENSIBILITY BY INDENTATION OF A COATING ON A WOODEN SUBSTRATE
S.R. CEN/TS 15912:2012 DURABILITY OF REACTION TO FIRE PERFORMANCE - CLASSES OF FIRE-RETARDANT TREATED WOOD-BASED PRODUCT IN INTERIOR AND EXTERIOR END USE APPLICATIONS
I.S. EN 927-6:2006 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
S.R. CEN/TS 15679:2007 THERMAL MODIFIED TIMBER - DEFINITIONS AND CHARACTERISTICS
BS EN 927-6:2006 Paints and varnishes. Coating materials and coating systems for exterior wood Exposure of wood coatings to artificial weathering using fluorescent UV lamps and water
DD ENV 927-2:2000 Paints and varnishes. Coating materials and coating systems for exterior wood Performance specification
ISO 16053:2010 Paints and varnishes — Coating materials and coating systems for exterior wood — Natural weathering test
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
12/30255690 DC : 0 BS EN 330 - WOOD PRESERVATIVES - DETERMINATION OF THE RELATIVE PROTECTIVE EFFECTIVENESS OF A WOOD PRESERVATIVE FOR USE UNDER A COATING AND EXPOSED OUT-OF-GROUND CONTACT - FIELD TEST: L-JOINT METHOD
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
S.R. CEN/TS 16700:2014 PAINTS AND VARNISHES - COATING MATERIALS AND COATING SYSTEMS FOR EXTERIOR WOOD - ASSESSMENT OF RESISTANCE TO IMPACT OF A COATING ON A WOODEN SUBSTRATE
PREN 330 : DRAFT 2012 WOOD PRESERVATIVES - DETERMINATION OF THE RELATIVE PROTECTIVE EFFECTIVENESS OF A WOOD PRESERVATIVE FOR USE UNDER A COATING AND EXPOSED OUT-OF-GROUND CONTACT - FIELD TEST: L-JOINT METHOD
13/30274695 DC : 0 BS EN 927-2 - PAINTS AND VARNISHES - COATING MATERIALS AND COATING SYSTEMS FOR EXTERIOR WOOD - PART 2: PERFORMANCE SPECIFICATION
EN 927-6:2006 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
DIN EN 927-1:2013-05 PAINTS AND VARNISHES - COATING MATERIALS AND COATING SYSTEMS FOR EXTERIOR WOOD - PART 1: CLASSIFICATION AND SELECTION
I.S. EN 927-1:2013 PAINTS AND VARNISHES - COATING MATERIALS AND COATING SYSTEMS FOR EXTERIOR WOOD - PART 1: CLASSIFICATION AND SELECTION
09/30194024 DC : DRAFT FEB 2009 BS EN 15912 - DURABILITY OF REACTION TO FIRE PERFORMANCES - CLASSES OF FIRE RETARDANT TREATED WOOD-BASED PRODUCT IN INTERIOR AND EXTERIOR END USE APPLICATIONS
PREN 16755 : DRAFT 2014 DURABILITY OF REACTION TO FIRE PERFORMANCE - CLASSES OF FIRERETARDANT TREATED WOOD PRODUCTS IN INTERIOR AND EXTERIOR END USE APPLICATIONS
PREN 927-6 : DRAFT 2016 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
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
16/30345769 DC : 0 BS EN 927-6 - 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
BS EN 927-1:2013 Paints and varnishes. Coating materials and coating systems for exterior wood Classification and selection
EN 927-2:2014 Paints and varnishes - Coating materials and coating systems for exterior wood - Part 2: Performance specification
ENV 927-2 : 2000 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
EN 927-1:2013 Paints and varnishes - Coating materials and coating systems for exterior wood - Part 1: Classification and selection
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
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
BS EN 927-2:2014 Paints and varnishes. Coating materials and coating systems for exterior wood Performance specification
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
PD CEN/TS 16700:2014 Paints and varnishes. Coating materials and coating systems for exterior wood. Assessment of resistance to impact of a coating on a wooden substrate
CEN/TS 16360:2012 Paints and varnishes - Coating materials and coating systems for exterior wood - Assessment of film extensibility by indentation of a coating on a wooden substrate
I.S. EN 927-2:2014 PAINTS AND VARNISHES - COATING MATERIALS AND COATING SYSTEMS FOR EXTERIOR WOOD - PART 2: PERFORMANCE SPECIFICATION
CEN/TS 16700:2014 Paints and varnishes - Coating materials and coating systems for exterior wood - Assessment of resistance to impact of a coating on a wooden substrate
CEN/TS 15912:2012 Durability of reaction to fire performance - Classes of fire-retardant treated wood-based product 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
UNE-CEN/TS 15679:2009 EX Thermal Modified Timber - Definitions and characteristics
UNE-CEN/TS 15912:2012 EX Durability of reaction to fire performance - Classes of fire-retardant treated wood-based product 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-EN 927-1:2013 Paints and varnishes - Coating materials and coating systems for exterior wood - Part 1: Classification and selection
UNE-EN 927-2:2015 Paints and varnishes - Coating materials and coating systems for exterior wood - Part 2: Performance specification

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 2431:2011 Paints and varnishes - Determination of flow time by use of flow cups (ISO 2431:2011)
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 11664-4:2011 Colorimetry - Part 4: CIE 1976 L*a*b* Colour space (ISO 11664-4:2008)
ISO 2808:2007 Paints and varnishes — Determination of film thickness
ISO 11664-4:2008 Colorimetry — Part 4: CIE 1976 L*a*b* Colour space
EN ISO 15528:2013 Paints, varnishes and raw materials for paints and varnishes - Sampling (ISO 15528:2013)
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 15528:2013 Paints, varnishes and raw materials for paints and varnishes — Sampling
ISO 2810:2004 Paints and varnishes — Natural weathering of coatings — Exposure and assessment
EN ISO 1513:2010 Paints and varnishes - Examination and preparation of test samples (ISO 1513:2010)
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
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)
EN 927-2:2014 Paints and varnishes - Coating materials and coating systems for exterior wood - Part 2: Performance specification
ISO 1513:2010 Paints and varnishes — Examination and preparation of test samples
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)
ISO 2431:2011 Paints and varnishes — Determination of flow time by use of flow cups

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