Capstone Windows and Doors – Phoenix is a trusted home improvement expert in Phoenix, AZ. We pride ourselves on providing high quality Infinity from Marvin replacement windows and doors, and expert installation all at an affordable price.
Infinity from Marvin fiberglass windows and doors are built with Ultrex® fiberglass making Infinity windows stronger than vinyl windows and requiring less maintenance than wood windows.
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Fibrex® is a registered trademark of Andersen Corporation.