Biggest manufacturer of exterior building products in the U.S. closing western PA plant

AMBRIDGE, Pa. — Cornerstone Building Brands Inc., a Cary, North Carolina-based manufacturer of exterior building products, is shuttering its metal coil coating plant in Ambridge, affecting 100 employees, according to a WARN notice the company filed with the Pennsylvania Department of Labor & Industry.

The notice said it was a permanent closure, effective March 31.

Read more in the Pittsburgh Business Times.

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