If you re installing a two car garage door place a reinforcing bar on the top panel to prevent the door from bowing in the center.
How to insstall a garage door.
Attach hinges to the top of each panel image 2.
The door must be level even if the floor isn t so use shims under the section to level it.
Center and level the first section after you install the brackets.
To install a garage door start by placing the first panel in the doorway and installing the parts of your track according to the manufacturer s instructions.
Drill pilot holes image 1 and secure the bar with screws.
Measure attach hinges and handles measure the various areas where the door will be installed.
For the headroom you should have about 10 to 12 of space depending on the spring system you re installing.
Be sure the bar is centered on the panel.
Begin installing your new door.
To hold the level in place tape it to the section.