In short and simple words, a garage door is a simple piece of machinery. It usually moves up and down every time you leave the house. In addition to daily use, the rainy and humid weather in Chattanooga TN will surely leave a mark on any piece of equipment, including garage doors. That’s why routine preventive maintenance on your Custom Garage Door Designs in Chattanooga TN can be the best way to avoid expensive malfunctions and potential safety hazards. The Need for Routine Maintenance and Chattanooga garage door repair:- 1. Safety 2. Security 3. Aesthetic Appeal.