PROFESSIONAL REPAIR TAPE: The professional sealing tape is suitable for your RV roofs repair, doors, windows and, prevent them from leakages, creates a water proof. Sealing plumbing pipes, doors, walls, seams, DIY vents, air ducts, sprinkler HVAC systems, EPDM Roof Patching, etc. LONG-LASTING PERFORMANCE: Our butyl tape is made of a new type of toughness-enhancing aluminum foil as the base film, butyl rubber as the anti-corrosion adhesive layer, and coated with a layer of anti-adhesive film, which makes it with stronger corrosion resistance and anti-aging, waterproof and UV resistant, provides better sealing result and long service life. Wide Application: Super sticky and flexible features make it adapt to most kinds of surfaces and weather, perfectly on the flat, curved or corner surfaces, such as metal, tile, shingle, aluminum, gypsum board, wood, fiberglass, brick, concrete and more. It is your best choice for home, car, outdoor and etc. Thickness 39.37mil; Working Temperature: 5 ℉ to 113 ℉ Tips for Better Effect: 1. Clean the base surface, make sure the surface is clean and dry; 2. Repeatedly press the butyl sealant until the tape is completely adhered to the surface, apply the tape and do not move it within 24 hours. Make sure there is no rain within 24 hours after applying the tape; 3. Please make sure not to paste and repair in the presence of water. Trusted Brand: TAPEBEAR is a brand specializing in the production of tapes, dedicated to making excellent tapes. We have full confidence in the quality of butyl tapes, which will be your best choice. if you have any questions, please feel free to contact us, we will give you a satisfactory answer., Manufacturer: TAPEBEAR