Our mission is to provide our customers with superior service, quality products, and to make the inconvenience of repairs as easy and seamless as possible. Let's give the customers what they want. We don't want to feel helpless, and out of control. When something as simple as your garage door breaks, Kopper Door wants to be there to take care of your garage door issues with prompt service at a good price. Kopper Door is a family owned company servicing the entire metro area as well as western Wisconsin and beyond. Whether it is new construction, retrofitting your current garage door, or simply repairing your garage door, it is our goal to deliver top notch service and a worry free transaction.