The Marvin Family of Brands
Handcrafted in America, Marvin products are made-to-order, one at a time, to your exact specifications. An unparalleled value in the market, Marvin offers craftsman-quality construction, energy-efficient technology and the industry’s most extensive selection of shapes, styles, sizes and options.
Integrity’s windows and doors are made with Ultrex® fiberglass, a material innovation pioneered over 20 years ago by Marvin. Integrity leads the industry with a commitment to a product that is tough, smart, long-lasting and worry-free.