This post contains affiliate links. If you use these links to buy something I may earn a commission. Thanks! As an Amazon Associate I may earn from qualifying purchases.
Ultrex fiberglass is a pultruded fiberglass material so strong and durable it is superior to other window materials, like vinyl. It is made of polyester resin and glass fibers.
Feel and see the difference between Ultrex and vinyl for windows with a FREE Sample.
You can also request FREE Catalogs and Brochures from Marvin Windows and Doors.
REQUEST YOUR FREE SAMPLE HERE
Scroll to bottom for Ultrex Sample
