When you call on Precision Door, you can rest assured a talented professional will arrive at your home. Our technicians are trained, certified, and field tested by the best in the industry at one of our two, state-of-the-art training facilities prior to servicing your door. Plus, successfully repairing over 1000 garage doors each day teaches you a lot. There is no substitute for experience.. Precision Door Service provides residential and commercial garage door service. With over 70 locations,our professional and certified technicians repair over 1000 garage doors everyday - nationwide. We also sell and install a wide selection of garage doors and garage door openers