Concrete GuardHigh performance, high solids, waterborne, acrylic concrete sealer Applied at a minimum of two coats, is designed to protect all interior and exterior absorbent concrete and masonry surfaces on residential and commercial applications, including driveways, sidewalks, patios, courtyards, walkways, pool decks and most vertical concrete surfaces. Seals and protects all uncoated cementitious surfaces, including ARDEX Toppings Durable and abrasion resistant