Blok-Guard & Graffiti Control Ultra 15 is a high-performance, clear, solvent-based silicone elastomer formulated to weatherproof concrete block and other porous masonry materials. Blok-Guard & Graffiti Control Ultra 15 protects masonry surfaces from repeated graffiti attacks with little to no change to the natural appearance.
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Blok-Guard & Graffiti Control Ultra 15
VOC Exempt Solvent
-Treated surfaces resist penetration of most types of graffiti.
-Simplifies graffiti removal.
-Effective protection for hard-to-seal surfaces.
-Controls rainwater penetration through exterior block walls.
-Helps control efflorescence, mildew and other moisture-related stains.
1 year in tightly sealed, unopened container
clear liquid, petroleum odor
30-250 sq ft/gal. See Product Data Sheet for specific variations per substrate.
<–22° F (<–°30 C)
100° F (38°C) ASTM D3278
15% ASTM D2369
Blok-Guard & Graffiti Control Ultra 15 penetrates and fills pores to prevent water penetration through exterior walls exposed to normal weathering. Graffiti removal is fast and easy using PROSOCO's Graffiti Remover product. Blok-Guard & Graffiti Control Ultra 15 is easy to apply with low-pressure spray, brush or roller. Treated surfaces exhibit excellent surface beading, withstand extreme temperatures and do not trap moisture. Offers excellent UV stability.
BLOK-GUARD & GRAFFITI CONTROL ULTRA 15