OSI Quad Window, Door & Siding Sealant is an all season formula designed for superior performance on exterior window, door, siding applications, PVC trim, roofing and gutters. Bonds without a primer to most common substrates like cedar, painted or stained woods, fiberglass, vinyl, coated aluminum, steel, metal, brick, masonry, and concrete. It can be applied to wet or dry surfaces, even at freezing temperatures. Unlike other sealants, it resists dirt & dust collection, yellowing and water washout. OSI QUAD is self-tooling and once cured is paintable with latex paints. Our color specialists work closely with leading window, door and siding manufacturers to ensure perfect color matches. OSI QUAD is composed of elastomeric polymers and high quality synthetic resins. This product offers the superior adhesion characteristics and unmatched elasticity found in high performance sealants. It yields a tough, rubbery seal which resists outdoor weather-related elements. The formula skins over in a short time to resist dirt and dust pickup. It goes on smoothly and has easy cut-off without stringing. 24 month shelf life from date of manufacture - unopened.