Blok-Guard & Graffiti Control WB 6 5 Gallon Unit


Water-based graffiti and water repellent for porous masonry

Blok-Guard & Graffiti Control WB 6 (formerly called Blok-Guard & Graffiti Control II) is a clear-drying, water-based silicone emulsion for weatherproofing concrete block and other porous masonry materials, like brick, unglazed terra cotta, porous tile, concrete and some natural stones. Blok-Guard & Graffiti Control WB 6 protects interior and exterior masonry surfaces from graffiti attacks without altering the natural appearance.

Product Data Sheet

Safety Data Sheet

  • Treated surfaces resist penetration of most types of graffiti.
  • Low-odor. Excellent UV stability.
  • Simplifies graffiti removal.
  • Effectively protects hard-to-seal surfaces.
  • Suitable for exterior and interior use.
  • Resists water penetration when applied over existing shrinkage cracks of 0.02 inches or less.


  • SHELF LIFE: 1 year in tightly sealed, unopened container
  • VOC CONTENT: <20 g/L Low Solids Coating
  • FORM: White liquid, slight odor
  • PH: Non-applicable
  • COVERAGE RATE: 30-175 sq ft/gal. See Product Data Sheet for specific variations per substrate.
  • FREEZE POINT: 32° F (0° C)
  • FLASH POINT: >212° F (>100° C) ASTM D 3278
  • TOTAL SOLIDS: 6% ASTM D 2369
  • WT/GAL: 8.32 lbs

Additional information

Weight 46.6 lbs
Dimensions 1 × 1 × 1 in