Atlanta — Atlas Roofing Corporation has welcomed Michael (Mike) McCaig as the new vice president of operations for its Shingle and Underlayment Division. McCaig brings more than 30 years of experience and a depth of industry knowledge, further strengthening Atlas Roofing’s position as a trailblazer in residential and commercial roofing materials. McCaig has worked in executive leadership for prominent building materials companies. Before joining Atlas on January 20, 2020, he served as president of Alumicor Ltd., a custom door, window and curtain wall manufacturer. “We are thrilled to welcome Mike …