The garage door is the first thing that is before you as you come back home and the last thing that you see when you leave the house. For it to remain functional, proper maintenance is required. During a power outage, you may be required to raise or lower the door manually for it to open and close. Rollers and tracks used in operating the door properly need regular maintenance. After a year or two or even a few months of normal functioning, the rollers can wear out. The tracks then misalign making the garage door drag. When this happens,…