 CARY, N.C.--BUSINESS WIRE--Cornerstone Building Brands, Inc. NYSE: CNR the Company, the largest manufacturer of exterior building products in North America, will be participating in the Barclays Building Building Products Virtual Conference. Jeff Lee, Executive Vice President and Chief Financial Officer, will participate in a virtual fireside chat discussion on Tuesday, August 10, 2021 at 12:40 p.m. EDT. About Cornerstone Building Brands Cornerstone Building Brands is the largest 