Ultra Weather & Graffiti Protection , Prosoco
Water & graffiti repellent
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.
FORM: Clear liquid, petroleum odor
SPECIFIC GRAVITY: 1.308
pH: not applicable
WEIGHT/GALLON: 10.85 pounds
ACTIVE CONTENT: 9 percent
TOTAL SOLIDS: 9 percent ASTM D 2369
VOC CONTENT: 100 grams per Liter, maximum
FLASH POINT: 100 degrees F (38 degrees C) ASTM D 3278
FREEZE POINT: less than -22 degrees F (less than -30 degrees C)
SHELF LIFE: 1 year in tightly sealed, unopened container
- 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.