Discover mother nature’s worst nightmare: OSI QUAD MAX. The first line of defense against the elements, OSI QUAD MAX Window, Door and Siding Sealant delivers the toughness needed to make a job last. Designed for sealing around exterior/interior windows, doors and siding, QUAD MAX bonds to a wide variety of Primary Window, Door and Siding Building materials such as fiber cement, cedar, brick, stone, coated aluminum, fiberglass, vinyl, PVC, stucco, EIFS, wood, glass, and flashing tapes and Kynar coatings. With enhanced resistance to UV and extreme temperatures (0 F to 140 F) and proven wet surface application, OSI QUAD MAX is the versatile and durable choice for professional contractors. OSI QUAD MAX has a fast 24-hour cure and can be painted in 1 hour (dependent on temperature, humidity, and depth of sealant applied). The best window, door and siding sealant OSI offers, QUAD MAX is flexible with 5x stretch and Class 50 Joint Movement capability so you have zero reasons to worry about a job once you’ve done it right the first time. OSI offers an arsenal of adhesives, caulks, and outdoor construction sealants for the true professional. OSI: Tougher Than the Elements.