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Find essential info on Warranty and our portal for professionals and specifiers on our Support page.

  • Limited Warranty

    OSI products are warranted by Henkel Corporation to be free from defects in materials when used as directed. Henkel’s sole obligation shall be, at its option, to replace or refund the purchase price of product proven to be defective.  

  • OSI Window and Door Installation Drawings

    OSI offers a growing list of Isometric Installation Drawings and Cross Section Details to assist Architects, Builders, and other Industry Specifiers in creating drawings for how the QUAD Window and Door System is to be used. 

Install With Confidence – Get Ongoing Knowledge and Support From the Professionals at OSI®.​