OSI® Introduces QUAD® MAX Professional Sealant for Exterior Window,
Door and Siding Applications


Today, OSI® announced the availability of QUAD® MAX, the next generation of window,
door and siding sealant that offers maximum durability and application performance, helping
contractors reduce call-backs and meet the demands of new building practices.

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OSI® Introduces QUAD® Window & Door System to Simplify Installation
While Maximizing Energy Efficiency and Performance


Today, the OSI brand announced the availability of the new QUAD® Window & Door System
to simplify and improve the installation of new and replacement windows and doors while
reducing risks associated with energy loss and water penetration.

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