Ply Gem

Ply Gem makes it possible for the nation's residential builders, remodelers and architects to design, build  and update beautiful, low-maintenance and energy-efficient homes. Our comprehensive range of building products includes nearly everything on the outside of your house – from windows, doors and siding to designer accents, stone veneer, fence and rail.

Ply Gem understands that you want eco-friendly solutions. We're developing products that are manufactured and perform efficiently. Our  low-E windows and insulated siding help increase energy efficiency in the homes where they are used. We're also increasing our operational resourcefulness and finding ways to lower carbon emissions and environmental impact.

Throughout our business, Ply Gem is dedicated to reducing its environmental footprint. As a company we take conservation seriously. Whether it's the materials we use, how we get them to market, or the energy our products save over the life of a home -- it all adds up to a significant commitment to the future generations of planet Earth.  In fact, Ply Gem offers more NAHB Research Center Green Approved exterior products than any manufacturer.

Products and Services

The Designed Exterior by Ply Gem

Ply Gem's solution–based product lines enable architects, builders and remodelers to meet virtually any project requirement. Their brands offer cutting edge features  from severe weather protection to options that feature Energy Star® qualified foam insulation. Learn more »

Ply Gem Windows and Doors

Ply Gem, has made finding a window and door to fit every style and every budget easy.  Their entire portfolio is made up of brands that you know and trust like MW Windows, CertainTeed, Patriot Windows, Great Lakes Window and Alenco Windows, and given them a new name – Ply Gem Windows. Learn more »

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Ply Gem