For over 20 years, Commercial Doors of Michigan has specialized in providing heavy-duty commercial grade Doors, Hardware and Installation to Office Buildings, Industrial and Medical Facilities, Schools, Churches, Municipalities and more. CDM provides a wide variety of doors including 16 and 18 gauge Fire Doors, Hollow Metal Doors, Industrial Doors, Steel Stiffened Doors, Eliason Doors and Prefinished Wood Doors. Standard and Custom sizes are available as well as Transoms, Borrowed Lites, and Side Lites in any configuration to meet your specific application.