LastiSeal Brick & Masonry Sealer (1-gal) | All Purpose, Long-lasting Brick, Concrete, Stone, Masonry Sealer | 15-Year Warranty Unsurpassed Protection and Service Life  15-year Waterproofing Warranty Waterborne, Safe, Eco-Friendly, Non-toxic, Non-flammable Easy Application Spray, Roll, or Brush Protects outdoor/indoor brick, concrete, masonry, grout, and even wood! Bonds and strengthens, protects against freeze-thaw, prevents spalling, dusting