Paints and varnishes - Coating materials and coating systems for exterior masonry and concrete - Part 3: Determination of liquid water permeability
This European Standard specifies a method for determining the liquid water permeability of coatings, coating systems and related products, intended for exterior masonry and classification according to EN 1062-1.The method is applicable to coatings and coating systems on porous substrates such as brick, concrete and renderings.A liquid water permeability w of more than 0,5 kg/ (m² x h0,5) will not be accurately quantified by the test method described in this standard.
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