44+ Wood Ultrex Integrity By Marvin. I think the integrity looks very cheap and it has a very high air leakage rate. Integrity is an ok window but not marvins top product.
Both integrity by marvin and infinity by marvin are made of ultrex fiberglass, a pultruded fiberglass pioneered from the marvin company.
I'm looking at the integrity wood ultrex replacement windows. Discover design trends, learn from architecture, building and interior design experts, and get inspired. I'm looking at the integrity wood ultrex replacement windows. Integrity windows and doors are made with ultrex pultruded fiberglass, a material innovation pioneered over 20 years ago by marvin.