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Infinity Replacement Windows: Made with the strength of Ultrex


Infinity replacement windows and doors are made from Ultrex fiberglass, a pultruded fiberglass material so strong and durable it is clearly superior to other window materials.

Our Ultrex finish is as strong as steel, up to three times thicker than competitive finishes, and is AAMA certified — meaning our commercial-grade finish resists the harshest weather conditions. Best of all, Ultrex makes Infinity products virtually maintenance-free.

Learn more about Infinity Replacement Windows made of Ultrex fiberglass at