Kirkland & Ellis LLP advised ABC Supply Co., Inc., the nation’s largest wholesale distributor of roofing, siding, windows and gutter materials, on its definitive agreement to acquire USG Corp.’s (NYSE: USG) building product distribution business, L&W Supply Corp., for a total cash consideration of $670 million. The transaction is subject to customary closing conditions, including regulatory approvals, and is expected to close before the end of 2016. The full release is available here. The Kirkland team was led by corporate partners Henry Kleeman and Joydeep Dasmunshi.