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Blok-Tite™ Interior/Exterior Acrylic Masonry Waterproofing Paint

Pratt & Lambert masonry coatings are designed to provide quality results when it matters most. Whether it’s conditioning a surface or adding water/moisture protection, these products were developed with professionals in mind.


  • Stops water - up to 12 psi hydrostatic resistance
  • Provides a mold and mildew-resistant coating
  • Available in over 500 colors
  • 15 Year Warramty


Size: 1 Gallon

Coverage: 100-125 sq ft

Finishes: Flat

Application: Nylon/polyester brush, 1/2"-3/4" synthetic nap roller cover, airless spray

Dry Time: 1 hr to touch, 2-4 hrs to recoat

Cleanup: Soap and water

Warranty: 15 Year Limited Warranty

Used on properly prepared:

Interior or exterior vertical masonry walls, retaining walls, foundations, basements, garages, concrete blocks, stucco, brick, and cinder block

Interior/Exterior Flat




Product Data Sheet