August 2018 | Windows Of Wisconsin

8X Stronger Than Vinyl

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Ultrex – The superior window material

Ultrex – The superior window material

Marvin Ultrex® Fiberglass Windows Infinity® Replacement windows and doors are constructed with Ultrex Fiberglass. This pultruded fiberglass is superior to other window materials due to its unmatched strength and durability. Ultrex fiberglass makes infinity windows...