... optional 5.Long shelf life JS Polymer Cement Waterproof Coatings (double-component) Characteristica) High adaptability to wet and dry base layer ... wet base layer.Applicable scopeThis product applies to masonry, mortar, concrete, mal, wood, hard plastic, glass, plasterboard, foam board, asphalt, rubber ... they passed the re-examination. JS Polymer Cement Waterproof Coatings(double-component)