Power Tape - All Weather Patch Tape,Stretchy Sealing Tape for Roofing,Waterproof Tape for Pipes,Patch Holes & Cracks,Butyl Tape 4 inch x 5 FT Say goodbye cracks & holes and apply 4” wide tape for the perfect roof patch, nail hole patch, pipe & gutter leaks – Use as outdoor shed or greenhouse repair tape! Waterproof tape works to fix leaky above-ground pools, water tanks, drums & storage containers - creating a tight, even seal that increases with pressure. Don't get stuck out on vacation with a leaking RV or tent, or at home worrying about catching drips from the ceiling after whipping wind & storms. Heavy duty waterproof tape is designed with an ultra-strong adhesive backing that sticks to any surface and holds up dutifully under conditions of extreme cold, sweltering heat, dampness & moisture or mold & mildew.