The rumors are true. And now is your chance to meet the rising legend. Hands down, QUAD® MAX window sealant is the toughest construction sealant on the planet. With unmatched 5x stretch, 50% joint movement, proven wet surface application and a fast 24-hour cure, OSI QUAD® MAX truly is the next generation of siding and window sealant. Offering maximum durability and maximum application performance for use in any condition, QUAD® MAX high temp-window caulk will keep your jobs intact and the elements right where they belong – outside.