Butyl Seal Tape 4" W X 16'L, Upgraded Leak Proof Waterproof Butyl Duct Strip, for RV Repair, Window, Silicone, Boat and Pipe Sealing, Glass & EDPM Rubber Roof Patching, Silver. EASY TO USE--Simply peel off the release film and apply the butyl sealant tape to anyw needed.
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