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EVS-EN 927-4:2000

Paints and varnishes - Coating materials and coating systems for exterior wood - Part 4: Assessment of the water-vapour permeability

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Withdrawn from 04.03.2010
Base Documents
EN 927-4:2000
Directives or regulations
None
Standard history
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This part of EN 927 specifies a test method for assessing the water-vapour permeability of coating systems for exterior wood by measuring the absorption and desorption of water vapour by coated wood panels. Results are expressed as the mass, in grams, of water gained and lost during two 14 day periods under specified conditions.
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