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.
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Blok-Guard & Graffiti Control 15
-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 D 3278
15% ASTM D2369
Weather Seal Blok-Guard & Graffiti Control 15 penetrates and fills pores to prevent water penetration through exterior walls exposed to normal weathering. Graffiti removal is fast and easy using Defacer Eraser® Graffiti Remover. Blok-Guard & Graffiti Control 15 is easy to apply with low-pressure spray. Treated surfaces exhibit excellent surface beading and withstand extreme temperatures. Treated surfaces “breathe” – doesn’t trap moisture. Offers excellent UV stability.
BLOK-GUARD & GRAFFITI CONTROL 15