Integrity Windows
Built to last – that's Integrity® from Marvin windows. Featuring the strength and beauty of Ultrex®, a highly durable pultruded fiberglass, Integrity from Marvin wood and fiberglass windows come in full line of popular styles, including casement, double hung, glider, bay, bow and more. From All Ultrex, with Ultrex on the outside and inside, to Wood-Ultrex, with durable Ultrex on the outside and beautiful authentic wood interiors on the inside, Integrity windows offer style to fit any home.