Cornerstone Building Brands, a manufacturer of exterior building products, completed the acquisition of Harvey Building Products, a manufacturer of high performing windows and doors. Financial terms were not disclosed. “Harvey Building Products has a strong reputation as a premium R&R manufacturer and is an ideal addition to Cornerstone Building Brands as we forge ahead in our journey to be a premier exterior building products company. This transaction will strengthen our presence across the Northeast and the Midwest with key leading brands. It will also enable us to be a stronger partner of choice for our customers and to better serve them," Rose Lee, Cornerstone Building Brands President and CEO.