Drylok, Gallon, Wetlook High Gloss Sealer, Clear, Non-Yellowing Water Based Acrylic Coating Formulated For Use On Interior Or Exterior Masonry Surfaces, Provides Superior Hardness & Durability, Protects Against Efflorescence, White, Powdery, Salt Like Deposits, Visible On Masonry, Built In Flash Rust Resistance Prevents Orange Staining Of Surface, Has Excellent Chemical Resistance To De-Icing Salts & Most Household Chemicals, Ideal For Horizontal & Vertical Surfaces Such Walkways, Driveways, Pavers, Brick, Poured Concrete, Chattahoochee Stone, Stamped Concrete & Artificial Stone.