All Ultrex Sliding Patio Doorby Marvin

    The Integrity by Marvin Ultrex pultruded-fiberglass product line now includes the All Ultrex sliding patio door. Designed to be eight times stronger than vinyl and twice as strong as steel, according to the maker, the door is available in five exterior colors with a stone white interior. It has a standard 33/8-inch jamb depth; factory-installed jamb extensions are available. 888-537-7828. www.marvin.com.