DriveHard Concrete Weatherproofer & Protector, 1 Gallon Drivehard Penetrates Into The Surface, Creating A Chemical Bond That Permanently Increases The Lifespan Of Concrete By Preventing Damage From Many Common Problems Including Extreme Weather Conditions (E.G repeated freeze-thaw cycles) The patent-pending, water-based nano-silicone/silicate based formula creates a breathable, yet stronger water-repellant surface that is more resistant to abrasion and water dissolved salts (alkali) DriveHard also helps create a strong, natural-looking surface that resists UV and mildew damage to promote lasting performance For your convenience, DriveHard can be quickly and easily applied with a brush