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. Non-hazardous, non-flammable and safe around plants and animals. Available in black and white. It's 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, and so much more! It works on concrete, glass, brick, stucco, masonry, wood, copper, plastic, tile, fabrics, wires, vinyl, fiberglass, ceramic, porcelain, metal, aluminum, natural stones, foam, asphalt, Hypalon polyurethanes and more.