Integrity from Marvin

Integrity Windows and Doors didn’t just join the fiberglass revolution—we pioneered it. In an effort to create a new, low-maintenance, long-lasting window, Marvin created and patented Ultrex pultruded fiberglass. Stronger and more durable than existing fiberglass, vinyl and roll-form aluminum products, Marvin saw this could push window manufacturing in a revolutionary new direction. After extensive testing and work with the Marvin design team, Integrity Windows and Doors featuring Ultrex pultruded fiberglass were introduced in 1994.

By 1996, a new factory was opened in in Fargo, North Dakota, exclusively manufacturing Integrity windows and doors. The continued success of the Integrity led to the construction of another facility in 2004 in Roanoke, Virginia.

Integrity continues to find innovative new ways to incorporate Ultrex. Today we offer All Ultrex, Wood-Ultrex and IMPACT windows and doors. Marvin remains the exclusive proprietor of Ultrex products, using it in their Integrity Windows and Doors and Infinity Replacement Windows brands.

At Integrity, we believe it is essential to live up to our name.

Click below to visit Integrity’s Website for more info:
Integrity Windows and Doors

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