Made of siloxanes, WR7 Waterproofing Sealant is specially designed to protect horizontal and vertical concrete surfaces as well as mortar joints. It prevents deterioration caused by de-icing salts and freeze-thaw cycles, while providing resistance to acids and alkalis. Its active agents form an invisible bond that stops the penetration of contaminants, facilitating the maintenance of facades and other surfaces. It helps prevent dust adhesion on the surface, as well as black stains due to air pollution. Water based, WR7 Sealant does not release unpleasant fumes, and it is environmentally friendly.