Aluminum Waterproof Tape, 50mm(W) X 10M(L) Butyl Seal Repair Tape Aluminum Foil Self-Adhesive Thick Repair Tape, for Pool Hole Pipe Proof RV Bathroom Sealing and Fixing Brand new. Butyl seal tape is made of butyl rubber through special processing, which is non-toxic, does not shrink, is anti-aging, safe, and odorless. It is effective in preventing shaking, sealing, waterproofing, flame retardancy, and insulation. Self-adhesive flashing tape, no extra adhesive is needed. Easy-to-install and hassle-free aluminum foil butyl tape empowers the average homeowner to achieve professional results with little to no repair experience. Easy to manage and not sticky. The package includes 1 roll of aluminum roof flashing tape, size 5 cm * 10m. A useful tool for pipe repair, wrapping, emergency maintenance, and other household uses. Aluminum foil adhesive tape has excellent adhesion even at low temperatures. It will not become brittle at -40 degrees Celsius. At -30°C, it can usually be used in construction. Suitable for many occasions, used for home water leaks, roof cracks, windowsill water leaks, water penetration, RV exteriors, basements, toilets, tunnels, and subway repairs. Also a great RV supply to help seal cracks in your camper. 20-7/2600