The Cofair BST325 Quick Roof Butyl Seam Tape 3" x 25' this is a cover strip for self-adhesive black EPDM rubber for repair of: EPDM, TOP, Hypalon, PVC, Gutters, Flashing, Modified Asphalt and Metal Roofs. It repairs, seals seams and waterproofs. Fast, easy peel and stick application Works at temperatures approaching zero degrees 45 mil butyl offers an adhesive gasket when seaming two pieces of membrane together Made from black EPDM rubber Made in the USA
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