To ensure the longevity of your overhead garage door you must stay up to date on maintenance related tasks. If you ignore a small problem with your garage door it could turn into something bigger soon enough. In turn, you may find yourself paying even more money to make a repair.

Basic garage door maintenance may be nothing more than examining your garage door for changes. If everything looks good, the same as it did before, you can leave well enough alone. On the other hand, don’t be surprised if you eventually find something that appears to be out of place. This could be anything from a worn out pulley to noisy operation.

If you stay current with garage door maintenance it should last a very long time, while never becoming a safety hazard. This is much better than missing something that could cause major damage to the door, or worse yet, a human.

source: http://healthrealized.com/pure1/2010/07/04/overhead-garage-doors/