Cornerstone Building Brands Ranks Second in J.D. Power Satisfaction Study

Cornerstone Building Brands, Inc. announced that American Craftsman by Ply Gem windows and doors has been ranked #2 in the Manufacturer segment of the recently released J.D. Power U.S. Windows and Patio Doors Satisfaction Study. The recognition represents an improved rank for the American Craftsman brand, which has improved from third position in the 2024 study. 

The U.S. Windows and Patio Doors Satisfaction Study is based on responses from 3,095 customers who purchased windows or patio doors within the previous 12 months. The study was fielded from August 2024 through June 2025.

What company leadership says

"We’re tremendously honored by the J.D. Power ranking and even more so by the trust our customers place in us and the American Craftsman brand," says Gunner Smith, CEO of Cornerstone Building Brands. "Customer satisfaction is the ultimate measure of trust. At Cornerstone Building Brands, it means that the quality, craftsmanship and outstanding value we strive to deliver every day are making a difference in the lives of homeowners. It demonstrates our team’s commitment to doing things right for our customers."

"The J.D. Power ranking reinforces our commitment to continuous improvement, innovation and quality," says Gustavo Chohfi. Vice President, Quality at Cornerstone Building Brands. "It ensures that homeowners can rely on and take pride in choosing American Craftsman for their homes knowing that their windows and doors are an exceptional choice among consumers nationwide. It’s also evidence that our team's hard work at every stage, from design to manufacturing to customer service, is delivering real value and reliability where it matters most — in people’s homes."