H&C's® Concrete Sealer Clear Gloss Oil-based is a 23% solids high gloss coating for virtually any outdoor application. It seals and protects while providing a durable non-yellowing finish. It dries clear and never discolors. Concrete Sealer Clear Gloss Oil-based is the perfect gloss finish over H&C® Concrete Sealers, Solid colors. It can be used as a decorative glaze on masonry walls, brick, and other cementitious materials. It resists water, pool chemicals, most cleaning agents, ultraviolet rays and heavy traffic.