How to Repair an Overhead Garage Door
Lowering and lifting a heavy sectional overhead garage door must normally be easy work because of built-in mechanical advantages: counter balance springs, pulleys and rollers. But over time, this work can become really hard because of the neglect of simple maintenance, or because some parts are misaligned, worn or broken. It does not take much time and only some simple tools are required to get your garage door into tip-top shape once again.
The most general reason for a door to move
