BS EN 927-5:2023 Paints and varnishes. Coating materials and coating systems for exterior wood Assessment of the liquid water permeability (British Standard)
1970BS EN 927-5:2023 Paints and varnishes. Coating materials and coating systems for exterior wood Assessment of the liquid water permeability (British Standard)
2008BS EN 927-5:2006 Paints and varnishes - Coating materials and coating systems for exterior wood - Part 5:Assessment of the liquid water permeability