LastiSeal Brick & Masonry Sealer (2.5-gal) - All-Purpose Sealant for Porous Brick, Concrete, Masonry | 15-Year Service Life Unsurpassed Protection and Service Life  15-Year Waterproofing Warranty Easy Application Spray, Roll, or Brush Bonds and strengthens, protects against freeze-thaw, prevents spalling, dusting Waterborne, Safe, Eco-Friendly, Non-toxic, Non-flammable Protects outdoor/indoor brick, concrete, masonry, grout, and even wood!