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Jason Flack Joins Cornerstone Building Brands as President, Stone Solutions

Cornerstone Building Brands, Inc. (NYSE: CNR) (the “Company”), the largest manufacturer of exterior building products in North America, today announced the joining of Jason Flack as President of the Stone Solutions business unit. In this role, Mr. Flack will lead the Stone Solutions organization, provide strategic direction, and establish a trusted partnership with our customers. He will assume the role effective December 1, 2021, and report directly to the President and Chief Executive Officer, Rose Lee.

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Mr. Jason Flack, President Stone Solutions at Cornerstone Building Brands (Photo: Business Wire)

Mr. Jason Flack, President Stone Solutions at Cornerstone Building Brands (Photo: Business Wire)

“I am excited for Jason to join Cornerstone Building Brands,” said Ms. Lee. “His extensive experience building and leading strong cross functional teams to deliver profitable growth will serve our customers well and complement our efforts towards becoming a premier exterior building solutions company in North America.”

Mr. Flack has more than 20 years of experience leading sales organizations for building materials and automotive companies, including most recently serving as Vice President, Sales for Firestone Building Products, where he led strategic sales planning and market performance across the Americas. Before Firestone Building Products, he spent five years with GCR Tires and Service and thirteen years with CertainTeed Corporation, holding progressively responsible roles in field sales, business development, national account management, and sales organization leadership.

Mr. Flack holds a bachelor’s degree in journalism with an emphasis in advertising from the University of Kansas.

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, N.C., we serve residential and commercial customers across the new construction and repair and remodel markets. Our market leading portfolio of products spans vinyl windows, vinyl siding, stone veneer, metal roofing, metal wall systems and metal accessories. Cornerstone Building Brands’ broad, multichannel distribution platform and expansive national footprint includes more than 20,000 employees at manufacturing, distribution and office locations throughout North America. Corporate stewardship and environmental, social and governance (ESG) responsibility are embedded in our culture, and we are committed to contributing positively to the communities where we live, work and play. For more information, visit us at


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