Professional Repair Tape: The professional sealing tape is suitable for your RV roof/awning repair, doors, window sealing down spouts, boats, personal watercraft, canoes, outdoor equipment, RV\'s & campers, PVC & plumbing pipes, sprinkler systems, doors, walls, seams, vents, air ducts, HVAC systems, DIY vents, EPDM rubber roof patching Long-lasting performance: Our butyl tape is made of pure butyl rubber, upgrade PET aluminum film was added with non-woven fabric and anti-aging film, which makes it with stronger corrosion resistance and anti-aging. It\'s thicker and heavier. Waterproof and high temperature resistant, UV resistant without cracking and deformation, and provides a better sealing result and long-lasting service time 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: -40℃ to 80℃ 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