Size: 5 gallons 100% breathable silane/siloxane water repellent Protects horizontal and vertical surfaces Waterproofs concrete and masonry surfaces Protects against de-icing salts and chemicals Water-based Great for driveways, sidewalks, patios, chimneys, brick walls, and more For use with: Driveways, Sidewalks, Adobe, Clay Brick, Mortar, Natural Stone, Limestone, Sandstone, Granite, Terra Cotta, Exposed Aggregate Products, Portland Cement Stuccos, Concrete Masonry