NP EN 1062-3-2001 Paints and varnishes Coating materials and coating systems for exterior masonry and concrete Part 3:Determination and classification of liquid-water transmission rate(permeability)
2001NP EN 1062-3-2001 Paints and varnishes Coating materials and coating systems for exterior masonry and concrete Part 3:Determination and classification of liquid-water transmission rate(permeability)