Werhoo 45 Mil EPDM Butyl Sealing Tape, 4 Inch x 32 Foot Black Self-Adhesive Weatherproof Roof Repair Membrane for Boat, Roof, Window, RV, Vent, Crawl Space

4" x 32' EPDM Waterproof Butyl Sealant Tape, 45 Mil EPDM Butyl Sealing Tape. Our 45mil EPDM Rubber Butyl Sealing Tape adopts premium pure materials without recycled waste, combining high-quality EPDM surface layer and reinforced modified natural butyl rubber for upgraded durability. Featured with a 45mil thickened design, this heavy-duty butyl sealant tape boasts an ultra-long service life of up to 50 years, perfectly fitting residential and commercial sealing scenarios. It delivers commercial-grade strong peel adhesion of 12.5 lbs per inch, creating an ultra-firm, permanent bonding effect for long-term leak-proof protection.Engineered for extreme weather resistance, this EPDM roof repair tape supports a wide temperature range from -40°C (-20°F) to 100°C (230°F). It stays flexible and crack-free in extreme cold, and will not melt or sag under high temperature, resisting UV rays, ozone erosion, aging and corrosion. Equipped with comprehensive protective performance including fire resistance, wear resistance and puncture resistance, this weatherproof sealing tape forms a tight watertight and airtight barrier to thoroughly block moisture, water and air penetration, eliminating all leakage risks.This self adhesive butyl sealant tape features a user-friendly peel-and-stick design, requiring no extra tools, glue or complicated pretreatment. Easy to cut freely, it fits flat surfaces, curves, corners and various building transition parts perfectly. With universal super adhesion, it tightly bonds to multiple substrates, including metal, wood, plastic, concrete, glass, fiberglass, TPO, EPDM rubber and PVC, with no edge curling and increasing bonding strength over time for more stable sealing.Versatile for all-purpose use, this peel and stick roof patch tape is ideal for RV roof seal repair, shipping container repair, building roof patching, window and door gap sealing, as well as gutter, pipe, vent, bathroom and kitchen pipeline waterproofing. It also works great for boats, greenhouses, decks and crawl spaces, suitable for professional construction projects and daily DIY repairs. Note: Do not apply the tape to surfaces covered with mineral oil or waterproof materials like benzene, carbinol, ethylene and silicone.

• Made of high-quality EPDM surface layer and natural reinforced modified butyl rubber, with no recycled waste materials added throughout the process. Adopting an upgraded 45mil thickness design, it greatly enhances product durability. With a service life of up to 50 years, it can deliver long-lasting and stable performance in both residential and commercial scenarios
• Features commercial-grade powerful peel adhesion of up to 12.5 lbs per inch, forming a tight and long-lasting bond that is not easy to fall off. It has excellent resistance to extreme temperature differences, remaining flexible and crack-free at -40°C, and not melting or sagging at 100°C, fearless of various extreme weather conditions
• Boasts excellent waterproof performance and strong sealing capability, effectively blocking moisture penetration and eliminating leakage risks. It also has multiple protective properties including UV resistance, weather and aging resistance, fire resistance, wear resistance and puncture resistance, providing comprehensive protection for various construction projects
• Adopts a convenient self-adhesive design, requiring no additional tools or sealants for installation, saving time and effort. It can be easily cut into any shape, perfectly fitting flat surfaces, curves, corners, edges and various building transition parts, flexibly meeting diverse application needs
• Suitable for various substrates including PVC, metals, concrete, wood, EPDM surfaces and TPO. Ideal for waterproof sealing of windows, doors, metal roofs, sunrooms, kitchen and bathroom pipelines; also perfect for repairing RV rubber roofs, truck/trailer/camper bodies, shipping container holes, as well as sealing HVAC ducts and drainage gutters. Note: Do not apply to surfaces with mineral oil or waterproof materials such as benzene, carbinol, ethylene and silicone