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Ultrex Fiberglass

Unmatched performance

Infinity uses fiberglass for unmatched performance. But that’s only the beginning. Replacement windows have always been our sole focus. And that means we pioneered the use of materials like fiberglass that simply outperform and outlast other options. However, Infinity goes even further with Ultrex® — our proprietary fiberglass solution that offers unsurpassed durability and timeless style.

How Ultrex fiberglass measures up

Infinity created Ultrex® with one goal in mind: develop the most durable window material in the industry. It’s not only 8 times stronger than vinyl — it resists expanding and contracting in any climate. So you get a tight, snug fit that will last.

An investment that pays

Ultrex vs. Vinyl Windows: Vinyl can warp and shift under everyday conditions — potentially making vinyl windows difficult to open and close and affecting their all-around performance. Ultrex resists sticking, swelling and warping so Infinity windows and doors will continue to easily open and close.

Ultrex vs. Wood Windows: Wood windows offer classic beauty that, depending on the environment, can require maintenance and care. Infinity windows capture the beautiful details and profiles of wood — without the maintenance.

A fit that never quits: Ultrex fiberglass expands at virtually the same rate as glass, so our windows stay tight and true. This makes Infinity windows resistant to leaks, seal failures and stress cracks that can compromise energy efficiency and long-term performance.

Ganser Has The Answer

Want to learn more about the benefits of Ultrex®. We will gladly visit your home in the greater Madison area to provide a complimentary consultation and no-obligation estimate. Gives a call today or fill out our web form and we will contact you!

More Windows & Doors

Infinity Fiberglass Windows by Marvin

Entry Doors

Patio Doors

Garage Doors

Storm Doors

Contact us to get a free quote for your project!