EpoxyShield Penetrating Concrete Sealer provides excellent protection from the damaging effects of water, oil, chemicals, and stains to help extend the life of concrete. It seeps deep into concrete pores to form a protective barrier beneath the surface. EpoxyShield Penetrating Concrete Sealer is designed for use on bare concrete and masonry surfaces such as driveways, patios, walkways, landscaping blocks, and pavers. Do not use on stained concrete. For use on bare concrete. Unique fluorinated polymer technology extends life of concrete. Repels water, oil, de-icing salts and more. Deeply penetrates concrete for stain and chemical protection. Surface is ready for foot traffic after 2 hours, automobile traffic after 12 hours. 5-year performance guarantee.