Flex Paste White Rubber Sealant, 1 lb. is a super thick, flexible rubberized paste designed to coat, seal, and protect a wide variety of surfaces. This versatile sealant can be applied to most materials, including wood, glass, tile, concrete, metal, brick, stucco, masonry, and many more, even underwater. It clings instantly to surfaces, filling gaps effectively while expanding and contracting without shrinking. The product is paintable, non-flammable, and resistant to chemicals and mildew, making it i for both indoor and outdoor use. Its watertight seal blocks air, moisture, and water, and it also provides UV resistance. Easy to use, Flex Paste is for crafts, hobbies, gardening, and a wide range of projects where a durable, flexible seal is needed. Model Number: