OSI Quad Max Professional Sealant

June 3, 2015
Application of Quad Max caulk to an exterior window.

Created for interior and exterior windows, doors, and siding, Quad Max caulk is matched to leading siding and window manufacturers’ color palettes. OSI claims that its caulk offers maximum durability and application performance for use in any condition—from 0°F to 140°F—and is ideal for wet-surface application. The caulk won’t shrink or bubble, is UV-resistant, cures in 24 hours, is paintable 1 hour after application, and has a 24-month shelf life.