Osi quad window door and siding sealant is an all season formula designed for superior performance on exterior window door and siding applications. It can be applied to wet or dry surfaces even at freezing temperatures. And unlike other sealants it resists dirt and 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.