Flex Seal LIQUID is a thick rubberized liquid that you can brush, roll, dip or pour. It starts out as a thick liquid and dries to a strong, flexible, watertight, rubberized coating. Seals out air, water and moisture and is mildew, chemical and UV resistant. Available in black, white, clear, and gray. Flex Seal Liquid is perfect for: Concrete and asphalt repair Foundation repair and preventing basement seepage Weatherizing and sealing out moisture Home and roof repair RV and motorhome weatherizing and repair Pools and pool equipment Outdoor ponds and bird baths Flex Seal Liquid works on: Concrete, glass, brick, stucco, masonry, wood, copper, plastic, tile, fabrics, wires, vinyl, fiberglass, ceramic, porcelain, metal, aluminum, natural stones, foam, asphalt, EIFS, TPO, PVC, EPDM, CSPE, Hypalon polyurethanes and more. Available in pints (16 oz), quarts (32 oz) and gallons (128 oz).