Skip to content.

MAC Metal Architectural has been acquired by Cornerstone Building Brands

Date Closed

August 17, 2023

Lead Office


On August 17, 2023, Cornerstone Building Brands, Inc. (“Cornerstone Building Brands”), the largest manufacturer of exterior building products in North America, has acquired MAC Metal Architectural (“MAC Metal").

MAC Metal is headquartered in Saint-Hubert, Quebec, and serves the North American residential and commercial markets with high-end steel siding and roofing products. The Company has approximately 100 employees dedicated to the business.

McCarthy Tétrault assisted MAC Metal with a team led by Hadrien Montagne that included Vincent Laurin, Grégory Morin-Maltais, Benjamin Rivard, Sonny Santos, Stéphanie Blouin, Sheema Rezaei, Elena Drouin, Olivier Weir (Business), Marie-Soleil Landry, Geneviève Favreau, Julien Leblanc (Tax), Amelia Fong (Environmental), Marie-Josée Marcoux  and Emily Ruvo (Real Property and Planning).