HOME ABOUT SERVICES AFFILIATES GALLERY CONTACT US Welcome to EM Roofing & Sheet Metal, Inc. Elens & Maichin Roofing & Sheet Metal Inc. is a commercial, industrial, and institutional roofing and sheet metal company serving the Chicagoland area for over 55 years. As a commercial roofing contractor, we install many different types of roof systems, including install Built-Up, Modified, Single Ply, Green, and Architectural Metal roofs. We are focused on providing our customers with quality workmanship and professionalism.