OPTIMIZED FOR SUPERIOR, LONG LASTING PROTECTION OF POROUS MATERIALS, INCLUDING BRICK, CONCRETE, NATURAL STONE, TERRACOTTA AND GROUT.
STAIN-PROOF M™ is an impregnating, invisible, fully breathable, silane-based impregnating sealer. STAIN-PROOF M™ provides superior, longer lasting protection against common forms of damage caused by the ingress of oil and water-based liquids, including: Staining, efflorescence, freeze-thaw / salt spalling and picture framing. It also keeps surfaces looking good for longer and makes them easier to clean and maintain. STAIN-PROOF M™ is optimized for maximum penetration and bonding efficiency across the widest range of exposed cementitious and non-cementitious porous building materials, from the densest natural stones to highly porous precast concrete, brick, terracotta and grout.