Integrity Windows and Doors, from Marvin, are the exclusive fiberglass windows and doors of Marsh Building Products. Made from Ultrex and finished with a patented acrylic topcoat, Integrity Windows and Doors cannot be matched.
Integrity offers the toughest and most durable windows and doors on the market. The Ultrex fiberglass composite is THREE times stronger than vinyl and EIGHT times stronger than vinyl/wood composites. With an expansion rate that nearly equals that of glass, Ultrex windows and doors remain stable even in extreme temperatures and offer a 38% longer useful life expectancy than vinyl window competitors.
The premium finish added to Integrity Windows and Doors is a patented acrylic finish and is the first and only to be verified to any of AAMA’s 624-10 finish specifications. It performs in all conditions and combats fading, chalking, peeling, and cracking.
These products meet or exceed Energy Star® Guidelines, so not only will these windows and doors reduce your impact on the environment, they will significantly reduce your heating and cooling bill over time.