Depending on which mechanism you use to operate your garage door, you are going to use a variety of garage door opener parts to build you’re own system. For the exterior, there are are couple of choices. For the most inexpensive build, you may use steel stamped construction for your door panels. A popular choice is roll formed steel sheet with vinyl boards to give the real wood look, but it is more expensive than the first option.
An automatic door system using extension springs to counter balance the garage door requires two stretched springs that run parallel to the tracks. A pretty simple mechanism, when dealing with the installation phrase of the springs, it is vital to know exactly what you are doing, stretched springs can unleash a powerful blow.
Torsion spring systems are the most common methods for standard garage doors. These springs are wound tightly on to a steel shaft which has a couple of cable drums at the end of the shaft. This system is mounted above the automatic door. A benefit of the torsion spring system is that if the spring frays and snaps, the steel shaft will hold the garage door in place. Whilst you will be required to install another garage door opener part to prevent the door closing when a spring snaps in the extension system.
Each system should be checked at least monthly for problems. There should be no resistance when moving the door by hand, if there is the sliders or other parts may need cleaning or maintenance. Cables and springs should be constantly viewed for damage or rusting.