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Cornerstone Building Brands Expands Leadership in Vinyl Windows with Acquisition of Prime Window Systems

General News
Cornerstone Building Brands Logo - Lumber Manufacturer

Cornerstone Building Brands, Inc., the largest manufacturer of exterior building products in North America, has acquired Prime Window Systems (“Prime Window” or the “Company”). Headquartered in Denver, Colorado, Prime Window serves residential new construction and repair and remodel markets with energy efficient vinyl window and door products. The Company has approximately 300 employees at manufacturing locations in Colorado and Washington.

“The acquisition of Prime Window advances our strategy towards profitable growth and operational excellence,” said James S. Metcalf, Chairman and Chief Executive Officer. “We are joining forces with a well-recognized business and an established customer base that will strengthen our multi-channel offering. Additionally, this acquisition expands our leadership position in highly-attractive residential markets, increases our manufacturing scale, and creates new opportunities in the West, making it an ideal fit.”

Cornerstone Building Brands expects the transaction to be accretive through purchasing and manufacturing optimization synergies, margin expansion and revenue growth opportunities. Prime Window generated approximately $60 million in sales during 2020.

About Cornerstone Building Brands

Cornerstone Building Brands is the largest manufacturer of exterior building products for residential and low-rise non-residential buildings in North America. Headquartered in Cary, North Carolina, the organization serves residential and commercial customers across new construction and repair and remodel markets. As the #1 manufacturer of vinyl windows, vinyl siding, insulated metal panels, metal roofing and wall systems and metal accessories, Cornerstone Building Brands combines an expansive portfolio of strong brands and quality products with a broad multi-channel distribution platform that includes approximately 20,500 employees at manufacturing, distribution, and branch office locations throughout North America. At Cornerstone Building Brands, corporate stewardship is a responsibility that is deeply embedded in our over 75-year history. We are committed to our purpose of contributing positively to the communities where we live, work and play. For more information, visit us at


Tina Beskid – Vice President, Finance & Investor Relations –

Source: Cornerstone Building Brands, Inc.