<Fiberglass Windows>
Infinity from Marvin
Infinity windows are made with Ultrex®, inside and out. This fiberglass material is durable, long lasting, low maintenance and energy-efficient. Infinity is also available with an EverWood interior option that can be stained to match existing woodwork, yet is virtually maintenance free. Infinity Replacement Windows deliver the low maintenance and high performance that today’s discerning homeowners demand. Infinity windows are available in custom sizes and configurations to meet the needs of any window replacement project. Warranty (PDF document)
Integrity from Marvin
Integrity from Marvin features everything you want in a window: incredible efficiency, virtual indestructibility, low maintenance and the elegance of handcrafted wood interiors. Besides the option of a wood interior, listed under our wood windows section, the Integrity line features Ultrex®, inside and out. This option for windows comes in standard and non-standard sizes. Ultrex® is a tough polymer of glass fibers and polyester resin that is so hard, diamond-edged blades are needed to cut it. Warranty
About Marvin
Marvin is a premier manufacturer of made-to-order wood and clad wood windows and doors. It is a privately held, family owned company founded in 1912 by George G. Marvin and is headquartered in Warroad, Minnesota. Click here for quick facts on Marvin.
