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Homepage>BS Standards>87 PAINT AND COLOUR INDUSTRIES>87.040 Paints and varnishes>21/30438991 DC BS EN 927-2. Paints and varnishes. Coating materials and coating systems for exterior wood Part 2. Performance specification
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immediate downloadReleased: 2021-09-06
21/30438991 DC BS EN 927-2. Paints and varnishes. Coating materials and coating systems for exterior wood Part 2. Performance specification

21/30438991 DC

BS EN 927-2. Paints and varnishes. Coating materials and coating systems for exterior wood Part 2. Performance specification

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Standard number:21/30438991 DC
Pages:15
Released:2021-09-06
Status:Draft for Comment
DESCRIPTION

21/30438991 DC


This standard 21/30438991 DC BS EN 927-2. Paints and varnishes. Coating materials and coating systems for exterior wood is classified in these ICS categories:
  • 87.040 Paints and varnishes

This document addresses performance criteria for coating systems on exterior wood. Performance requirements are specified according to three categories of end use (defined in EN 927‑1 ) in terms of two mandatory tests, namely natural weathering performance testing carried out in accordance with EN 927‑3 , and water permeability in accordance with EN 927‑5 . Additional optional tests (non-mandatory) are tabled which can be used by suppliers, or for specification purposes, to provide additional information, to a standardized format, on aspects of performance relevant to specific situations. The majority of test methods are drawn from EN 927 (all parts) , but where relevant additional tests from other national and international sources are used.

Requirements for claiming conformity with this document are defined and provide flexibility for different situations and can also provide a basis for certification.