On the sides of the door, and attached to the hinges, are garage door rollers. These are circular and contain ball bearings. Any exposed ball bearings need to be lubricated. Since it can be difficult to get inside the rollers, some formulas of grease come with thin tool attachments for this work. Sep 14, 2020
Springs are some of the most complex aspects of installing a garage door that are difficult to handle, especially if you don't have the right tools to make the garage door installation easier. To minimize the chances of accidents, you should have at least two people to assist with the installation of the garage door. Feb 25, 2017