Sure Klean® Weather Seal Blok-Guard® & Graffiti Control is a clear, solvent-based silicone elastomer formulated to weatherproof concrete block and other porous masonry materials
Prosoco Blok-Guard Graffiti Control allows treated surfaces to resist penetration of most types of graffiti. It also controls rainwater penetration through exterior block walls and simplifies graffiti removal while preventing moisture buildup.
Blok-Guard Graffiti Control protects masonry surfaces from repeated graffiti attacks without altering the natural appearance.