Looking for a replacement window that’s durable, strong and delivers everything you could possibly want? Then look no futher than Integrity Windows from Marvin. Made with Ultrex®, a pultruded fiberglass patented by Marvin, Integrity windows outperform and outlast vinyl, roll-form aluminum and other fiberglass composites. 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 that will last year after year.

When you buy Integrity, you can rest easy. You know you’re not just getting a superb window, you’re also getting The Marvin Companies’ century-long heritage of service, craftsmanship and quality with a focus on all-out performance. We invite you to stop by one of our showrooms and see these windows for yourself.