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Serving the Entire Madison Area
608-271-8002

Integrity by Marvin Windows & Doors | Ultrex Fiberglass

Integrity windows and doors are made with Ultrex®, a patented pultruded fiberglass that outperforms and outlasts vinyl, roll-form aluminum and other fiberglass composites. It uses Ultrex and Marvin's proprietary pultrusion process to manufacture high-demand windows and doors that endure all elements without showing age or wear. The facts prove it. Ultrex fiberglass is eight times stronger than vinyl and three times stronger than vinyl/wood composites. It resists fading, chalking, peeling and cracking, giving you unparalleled strength and durability. We’re constantly testing Ultrex to prove it’s the toughest window material available.

Marvin's values and work ethic are forged by the communities where they are proud to live and work. When you choose Integrity windows and doors, you support a small-town, family-owned and operated company with deep roots in the community; some Marvin employees are fourth-generation, following the family tradition. They share profits with their employees, support their communities, and treat their dealers and customers fairly and with respect. Now that is Integrity.
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"Working to Improve the Quality of Building & Lives in our Community".. 

The Door & Window Center, Inc.
6524 Seybold Rd. Madison, WI 53719
Phone: 608-271-8002