Gorilla Waterproof Patch & Seal Tape is the extra-strong adhesive tape designed to patch holes cracks gaps and tears. The rubberised UV-resistant backing can be flexed and stretched during application to adapt to the surface. Suitable for hot cold wet and dry conditions Gorilla Waterproof Patch & Seal Tape forms a permanent bond which is 100% waterproof and airtight. Great for: window frames conservatories inflatables pond covers caravans trailers gutters drainage pipes roofing and more!