PS-21 is a ready-to-use, silicone-based solution without solvents, for the waterproofing of inorganic substrates. Certified with the CE marking as a hydrophobic impregnation, according to EN 1504-2.
It provides excellent water-repellence
It is vapor permeable, permitting breathing of the structure
Does not form a skin on the application surface and does not alter its appearance
Protects the surface from salt stains, effects of frost or filth, because it prevents absorption of rain water or dirt
