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Atrium Windows & Doors was a prominent American manufacturer of residential vinyl and aluminum windows and patio doors. Founded in 1948, the company grew significantly through acquisitions and organic expansion, serving both the new construction and remodeling markets across the United States. Atrium was known for its broad product portfolio, offering a range of styles and energy-efficient options. In 2018, Atrium Windows & Doors was acquired by Ply Gem, which itself was subsequently acquired by NCI Building Systems to form Cornerstone Building Brands in the same year. The Atrium brand and its product lines continue to be part of the Cornerstone Building Brands portfolio, recognized for their quality and value in the residential sector.
Historically served as a key manufacturing site and operational hub, including administrative functions, product development, and regional distribution.
Extensive manufacturing facilities for vinyl and aluminum window and door production, advanced assembly lines, and quality control centers.
Focused on manufacturing excellence, operational efficiency, product innovation, and customer service within the building products industry.
This location was central to Atrium's production capabilities and ability to serve markets in the Eastern and Southeastern United States. Its integration post-acquisition contributed to Cornerstone's broader manufacturing footprint.
Historically, Atrium Windows & Doors primarily served the United States market, with a strong presence in various regions through its strategically located manufacturing and distribution facilities. It also had some reach into Canada. As part of Cornerstone Building Brands, the Atrium product lines continue to be distributed across North America, leveraging Cornerstone's extensive network. The focus remains on residential new construction and remodeling sectors within these geographies.
300 Welcome Center Blvd (Example of a historical major facility)
Welcome
NC
USA
Address: Historically, 10000 N. Central Expressway, Dallas, TX (Corporate Office example)
Provided centralized leadership and strategic direction for the company's nationwide manufacturing and distribution network prior to its acquisition.
Address: Specific street address varies by facility (Manufacturing Plant example)
Enabled efficient supply and service to customers in the Pacific Northwest and surrounding regions, catering to specific building codes and climate requirements.
Address: Specific street address varies by facility (Manufacturing Plant example)
Supported builders and remodelers in Colorado and neighboring states with locally manufactured fenestration products.
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As of April 2025, Atrium Windows & Doors' leadership includes:
Atrium Windows & Doors has been backed by several prominent investors over the years, including:
As Atrium Windows & Doors was fully integrated into Cornerstone Building Brands following acquisitions (Ply Gem in 2018, then Cornerstone), there are no independent executive new hires or exits for 'Atrium Windows & Doors' as a standalone company in the last 12 months. Any such changes occur within the Cornerstone Building Brands leadership structure.
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Prior to its acquisition and integration into Cornerstone Building Brands, Atrium Windows & Doors likely used common corporate email formats. These formats are no longer active for an independent Atrium entity. Communications would now be through Cornerstone Building Brands channels.
Historical formats likely included [first_initial][last]@atriumwindows.com or [first].[last]@atrium.com. These are speculative and inactive.
Format
jdoe@atriumwindows.com (example, inactive)
Example
0 (Domains related to the former independent company are likely inactive or redirect to Cornerstone Building Brands)%
Success rate
Cornerstone Building Brands (formerly NCI Building Systems) • November 2, 2018
NCI Building Systems, Inc. and Ply Gem Parent, LLC announced the completion of their merger. Ply Gem had previously acquired Atrium Windows & Doors. This merger formed Cornerstone Building Brands, which now includes the Atrium brand in its portfolio....more
Business Wire (Ply Gem Press Release) • January 17, 2018
Ply Gem Holdings, Inc. announced it had signed a definitive agreement to acquire Atrium Windows & Doors. This acquisition aimed to enhance Ply Gem's market position in the vinyl and aluminum window market....more
Window + Door Magazine • July 25, 2023
Cornerstone Building Brands appointed Art Steinhafel as president, U.S. Windows Group. In this role, Steinhafel will lead the U.S. residential windows and doors business, which includes the Atrium brand....more
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