Cornerstone acquires Prime Window Systems

Prime Window produces energy-efficient vinyl window and door products.
a room with a large window
Energy-efficient offerings from Prime Window Systems.

Cornerstone Building Brands has acquired Prime Window Systems 


Based in Denver, Colo., 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.

Financial terms of the transaction were not disclosed.

"The acquisition of Prime Window advances our strategy towards profitable growth and operational excellence," said James Metcalf, Chairman and CEO of Cornerstone Building Brands. "We are joining forces with a well-recognized business and an established customer base that will strengthen our multi-channel offering.”

Metcalf noted that the acquisition also expands Cornerstone’s leadership position in residential markets, increases its manufacturing scale, and creates new opportunities in the West.

Based in Cary, N.C., Cornerstone Building Brands is one of the nation’s largest manufacturers of exterior building products for residential and low-rise non-residential buildings.