Flex-Tred Edge Sealing Compound is ready to use without mixing, priming or heating. Easily applied by squeeze tube, this one-part, high-solids elastomeric compound seals Wooster’s Flex-Tred anti-slip tape to all types of metal, including galvanized; wood, particleboard and plywood; EPDM and other kinds of rubber; thermoplastics, thermoset plastics, fiberglass and other fiber-reinforced plastics; and concrete, masonry and glass.