Blok-Guard & Graffiti Control 15 is a high-performance, clear, solvent-based silicone elastomer formulated to weatherproof concrete block and other porous masonry materials. Blok-Guard & Graffiti Control 15 protects masonry surfaces from repeated graffiti attacks with little to no change to the natural appearance.
- Treated surfaces resist the penetration of most types of graffiti.
- Simplifies graffiti removal.
- Effective protection for hard-to-seal surfaces.
- Controls rainwater penetration through exterior block walls.
- It helps control efflorescence, mildew, and other moisture-related stains.