Thermal-Tec/Michigan Inc is a family-owned specialty roofing company with headquarters in Cedar Springs, Michigan. We provide our MR Multi-Ply® Roof System to metal roofs throughout the Midwest. Established in 1983 by Earl Siterlet, Thermal-Tec has grown to having offices in Michigan, Illinois, Indiana, and Ohio. In 1994, son, Robert Siterlet and daughter, Linda Blanchard purchased the business from Earl and have worked together to continuously improve the quality and depth of our company. Thermal-Tec is a nationwide, commercial roofing and industrial roofing contractor that specializes in metal roof repair, metal roof coatings, roof leak repair, roof maintenance, roof replacement and roof restoration. Our MR Multi-Ply Roof System is a revolutionary single ply roofing product specifically designed to repair aluminum roofs, corrugated roofs, galvanized roofing, membrane roof, standing seam roofs, and sheet metal roofing. We are THE #1 roofing specialists and roofing consultants.