Gorilla Waterproof Patch And Seal Tape, Black, 4" X 10', 1 Pack. Gorilla Waterproof Patch Seal Tape instantly seals out water, air and moisture. With an extra thick adhesive layer and UV resistant backing, this flexible tape conforms to form a permanent bond indoors and out. At 4 inches wide use it to patch holes, cracks, gaps and tears, even underwater. Excellent for Home, auto, marine, camping, RVs, outdoors and more. Will work on plastic, metal, aluminum, rubber, wood, vinyl, glass, steel, acrylic and much more. Gorilla Waterproof Patch Seal Tape can be applied in hot, cold, wet and dry conditions. For best results, apply the tape to a clean surface at room temperature: 1. Keeping liner on tape, cut tape to desired size. Tape size should be larger than the repair area, extending beyond all edges. 2. Remove the release liner and place tape over desired repair area. Tape cannot be repositioned once applied. 3. Rub entire surface of the tape aggressively, especially the edges. STORAGE: Store tape on the top and bottom disc at room temperature. Edges of tape may be sticky. SERVICE TEMP: -70F to 200F. Performance will be dependent on surfaces conditions. Surfaces must be clean, smooth and non-porous. Water must be pressed out from underneath tape. Not for use on seams, applications under pressure, or automotive applications under the hood. May not adhere to silicone or water-repellent materials. Do not use to hang. Permanent: may damage surface or paint if removed. Click on the Gorilla Link at the top of this page to visit the Gorilla Brand Store. PERMANENT: Creates a permanent bond that instantly seals out air, water, and moisture. INDOOR / OUTDOOR USE: Gorilla Waterproof Patch Seal tape works great on indoor and outdoors repairs and even under water. EXTRA THICK: Has an extra thick adhesive layer and UV resistant backing. FLEXIBLE: Conforms to the surface to repair holes, cracks, gaps, and tears. FIXES LEAKS: Repairs leaks in roofs, rubber, plastic or vinyl pool liners, and so much more.