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Who is Ply Gem Windows?

Ply Gem was founded during World War II by 27-year-old Bernard Hewitt. Hewitt started up Ply Gem in New York in 1944 by purchasing plywood crates for twenty-five cents and reselling the wood at a profit.

Through hard work and determination, he eventually got into the plywood manufacturing business. Postwar economic growth generated a massive demand for plywood and other building products.

As plywood sales increased, Hewitt diversified his business and products. In the early 80s, Ply Gem caught the eye of savvy Wall Street investment specialist Jeffrey Silverman.

Silverman had an eye for spotting potentially successful business investments. It was only until 1986 when Silverman acquired Great Lakes Window, an energy-efficient replacement window manufacturer, that windows by Ply Gem began production.

Revenues skyrocketed from the $55 million mark early in 1980 to $384 million by 1988. For over 70 years Ply Gem has been a leading national manufacturer and distributor of specialty home improvement products.


With a broad range of quality products, Ply Gem windows offer you everything you have ever wanted for your home and more. Not only are they stylish, but they are designed to be energy efficient and suit a variety of budgets and unique requirements too.

Designed and engineered to enhance the home, Ply Gem succeeds at making spaces brighter and more aesthetically pleasing.  With manufacturing facilities throughout North America and sales across the globe, windows from Ply Gem will be the solution you have been waiting for.

Whether you need windows to hold out the cold or to keep your home overheating, Ply Gem has a stylish solution for you. Designed with the customer’s vision in mind, here you will find a variety of window shapes, sizes, colors, and materials.

Environmental Footprint

Ply Gem is dedicated to reducing its environmental footprint by increasing energy efficiency in all areas.

That is why Ply Gem Windows works with a number of agencies and initiatives.

This includes the likes of the United States Green Building Council (USGBC) and the National Association of Home Builders (NAHB), all done in an effort to achieve “greener” results.

Windows at Ply Gem meet or exceed the rigorous ENERGY STAR guidelines for thermal efficiency.

Ply Gem also offers some of the world’s best Low-E glass configurations which minimize interior glare while the low haze surface provides a clearer view outside.

The ultra-smooth glass surface can be easily cleaned with common household window cleaners.

Designs & Materials

Ply Gem’s windows include the following:

  • Casement
  • Awning
  • Double Hung
  • Garden
  • Jalousie
  •  Sliding
  • Single Hung
  •  Skywall

Window materials include the following:

  • Aluminum
  • Aluminum Clad
  •  Vinyl
  • Vinyl Clad
  • Wood
  • Wood Composite

Overall, it’s easy to see why Ply Gem windows are one of America’s favorites. They offer a great product at a reasonable price, and they have a wide variety of styles to choose from. If you’re in the market for new windows, be sure to check out Ply Gem!