High-performance, multipurpose thermoplastic elastomer based sealant for metal seams, metal roofing, siding, window frames, door frames, vinyl windows, Flashings etc on all types of roof membranes. Excellent adhesion to most surfaces including: metal, Kynar, asphalt, shingles, modified bitumen, EPDM, TPO, Elvaloy, PVC, Hypalon, vinyl, fiber cement, wood, concrete, tile, masonry, glass. Use to seal flashings and penetrations on all types of roofs or general leak repairs. Packaged in 10.1 oz. caulk tubes.