CARY, N.C.–(BUSINESS WIRE)– Cornerstone Building Brands, Inc. (NYSE: CNR) (the “Company”), the largest manufacturer of exterior building products in North America, announced today that it has entered into a definitive agreement to sell its Roll-up Sheet Door business to Janus International Group, Inc. (NYSE: JBI) (“Janus”) in a cash transaction for $168 million, subject to customary adjustments. The transaction includes products sold under the DBCI brand and is expected to close in the third quarter of 2021, subject to customary closing conditions.