North America’s #1 Window Manufacturer

The Ply Gem Building Products family of brands offers window and patio door solutions that satisfy the design, performance and code requirements for North American residential and light commercial fenestration projects. Our products are engineered for new construction, renovation and replacement and are available in a wide range distribution channels including Pro Lumberyards, Specialty Distributors and Dealers, Builder Direct, Home Centers and Consumer Retail.

Ply Gem Windows & Doors

Ply Gem Windows and Doors provides our broadest portfolio of products designed for new construction, renovation and replacement projects; with multiple material options including vinyl, aluminum and clad-wood to deliver the performance and style requirements of each project.

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Silver Line Windows & Doors

Silver Line windows and patio doors provide the reliability, low maintenance and affordability that homeowners depend on throughout the U.S.

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Simonton Windows & Doors

Simonton Windows manufactures high-quality, award-winning vinyl windows and patio doors crafted to exacting specifications for a lifetime of reliable performance and stylish appearance, even in extreme climates.

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Atrium Windows & Doors

Available in the Eastern U.S., Atrium offers a wide variety of affordable, durable and easy to maintain vinyl windows and patio doors suited for both new homes and replacement and renovation projects.

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American Craftsman Windows & Doors

Available in the retail channel, American Craftsman windows and doors are designed to offer everyday performance and beauty that is virtually maintenance-free.

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Great Lakes Window

Found exclusively at speciality dealers, Great Lakes Windows and Patio Doors are highly customizable -- proving almost limitless possibilities for renovation and remodeling projects.

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Ply Gem Canada

Window and patio door products available in a wide variety of styles, and built with the highest quality materials and craftsmanship to meet the specific needs of each region across Canada. Designed for new construction, renovation and replacement projects.

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