Choose MARVIN fiberglass Window series:

All Ultrex Series All Ultrex Series

Combining Ultrex with classic wood interiors, Integrity windows are low-maintenance and long-lasting. Ultrex along with a high-performance acrylic coating make it resistant to cracks, scratches, and dents. Ultrex stands up to everyday challenges and maintains a flawless appearance for years.

Wood-Ultrex Series Wood-Ultrex Series

Wood-Ultrex Series windows and doors feature exteriors of Ultrex fiberglass and beautiful real wood interiors. Setting new standards in low maintenance and top aesthetics, Integrity Wood-Ultrex series combines the most popular sizes and styles of windows and improves them with Ultrex durability.