Sure Klean® Weather Seal Blok-Guard® & Graffiti Control is a clear, solvent-based silicone elastomer formulated to weatherproof custom masonry units, cast stone, architectural concrete block, precast concrete, wood and other porous masonry materials. Blok-Guard & Graffiti Control protects masonry surfaces from repeated graffiti attacks without altering the natural appearance.
Treated surfaces resist penetration of most types of graffiti
Controls rainwater penetration through exterior block walls.
Simplifies graffiti removal.
Treated surfaces “breathe” – does not trap moisture.
Limitations
- Not suitable for extremely dense or polished surfaces.
- Not suitable for asphaltic or painted surfaces.
- Not recommended for below-grade applications.
- Will not prevent water penetration through structural cracks, defects or open joints.
- May damage glass or be difficult to remove. Always protect.
- Not recommended for horizontal surfaces, including horizontal wood surfaces.
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