Certain Seal Lifetime RoofSeal NanoSealant UV‑Stable Butyl Tape 12×50 ft

Refined Performance’s Certain Seal Lifetime RoofSeal NanoSealant provides an industrial‑strength, one‑step repair solution for RV roofs, metal buildings, boats, and more. The 35 mil thick butyl tape features an aluminum backing and advanced MicroSealant that creates a waterproof, moisture‑proof, and airtight barrier without the need for additional sealants.

Designed for extreme conditions, the tape remains flexible and fully functional in temperatures as low as ‑59 °C (‑74 °F) and resists UV degradation, abrasion, and corrosion. Its versatile adhesion works on EPDM, TPO, Hypalon, aluminum, galvanized steel, wood, and fiberglass, making it an ideal choice for both professional and DIY repairs. Backed by a 20‑year limited warranty, this 12‑inch‑wide, 50‑foot roll delivers long‑lasting protection and peace of mind.