Flex Paste White Rubber Sealant, 3 lb. is a versatile and thick rubberized paste designed to coat, seal, and protect a wide range of surfaces. This super thick sealant clings firmly and instantly fills gaps while expanding and contracting without shrinking, ensuring a durable, watertight seal. It can be applied to most surfaces, including underwater, and dries to a flexible rubber that is paintable, non-flammable, and resistant to chemicals and mildew. Flex Paste works effectively on wood, glass, tile, concrete, aluminum, metal, brick, stucco, masonry, copper, fabric, fiberglass, ceramic, porcelain, natural stones, roofing materials, PVC, and various synthetic rubbers such as EPDM and Hypalon. Its easy-to-use formula makes it i for crafts, hobbies, gardening, and a variety of repair projects both indoors and outdoors. The paste UV resistance and seals out air, moisture, and water for long-lasting protection. Coverage is approximately 10 linear feet per pound at a 2-inch width and 1/16-inch thickness, with a cure time of 24 to 48 hours. Model Number: