Much the same as other home mechanical and electrical equipment, garage door's need regular routine maintenance to keep them in peak working condition. To maintain your garagedoor in top form, you need to attend to lubricating and checking the spring system which is one of the most critical components of any door.
A garage door torsion spring is used to move the door up and down and can pose a safety hazard if it is either faulty or not fitted properly. If one or both of the springs are not working correctly, the garage door may not open all the way or even at all. As you can imagine, this can be very frustrating especially if your car is inside with a door that won't open.