At Duncan Door Service, we have over 30 years of experience providing residential garage door and commercial garage door services in the St. Louis and St. Charles, MO areas. We provide many styles of garage doors and openers from top brands like Hormann, FrenchPorte, Carriage House, and Liftmaster, and we can collaborate with you or any other professional contractors you may be working with to help you select the door that is best for your needs. We also provide comprehensive services including professional maintenance, troubleshooting, repair, and parts replacement for all types and styles of garage doors. Garage Doors