Integrity By Marvin Fiberglass Window
All Ultrex Series windows and doors feature Ultrex construction inside and out. Beautiful, easy to use and as low-maintenance as a material can get, Ultrex® provides exceptional aesthetics, outstanding durability, and standard ENERGY STAR-qualified performance, which not only meet the Energy Star requirements, it exceeds.
Six exterior finishes combine with pultruded fiberglass construction to offer virtually indestructible exteriors, while the low-maintenance classic white profiled interiors provide a beautiful classic appearance. It's available in replacement AND new construction window.