LastiSeal Brick & Masonry Sealer - All Purpose Brick, Concrete, Stone, & Masonry Sealer for Interior/Exterior Use - 15-Year Service Life (1-Gal)

LastiSeal is a unique, state-of-the-art, waterproofing sealer for bricks, concrete, mortar, stones, and porous building materials backed by a 15-Year Waterproofing Warranty. This waterborne, polyester-polymer and polyurethane sealer, penetrates up to 4 inches inside brick, mortar, grout, concrete and masonry. LastiSeal fills the pores internally, bonding the substrate and curing as a hard plastic inside. Sealed surfaces will shed water and unless too rough, bead for years to come! UNSURPASSED PROTECTION & SERVICE LIFE - Unlike paints or surface sealers, LastiSeal will not change the appearance or your brick, concrete, or masonry. LastiSeal does not form a surface film and will not leave a gloss finish or color on the surface. Once cured (24 hours), the seal is practically permanent! SAFE, INDOOR/OUTDOOR USE: Seal bricks walls and floors, indoor and outdoors, basement concrete, outdoor concrete, pavers, driveways, pool-decks, patios, stones, tiles, grout, koi-pond, porous stone and even wood! Non-toxic, non-flammable, and non-hazardous. No odor. Ultra-low VOCs. Not harmful to plants. PROTECTS AGAINST: Freeze-thaw damage, wind-driven rain, negative side water pressure, spalling, spills, humidity, and efflorescence. PREP: Remove old paint, adhesives, oil stains, and efflorescence. Let new concrete cure for at least 4 weeks. Mask glass and finished surfaces against over-spray. CONDITIONS: The surface and ambient air must be above 45 °F but not hot in direct sunlight during the application. Surface must be dry. APPLICATION: APPLICATION: Using a hand-pump garden sprayer and a roller, apply a continuous saturating film on the surface and back-roll any puddles. Ready for foot traffic in several hours and for vehicles in 3 days. COVERAGE: Brick - 150-200 sq. ft., Poured Concrete 200-250 sq. ft., Blocks - 100 sq. ft. *More porous building materials may require additional applications (24+ hours later).