Attach hinges to the top of each panel image 2.
How to insstall a garage door.
The rubber gasket on the bottom section will fill the gaps created by an unlevel floor.
Begin installing your new door.
Drill pilot holes image 1 and secure the bar with screws.
Next lower the panel into place and screw the corresponding part of the track to the door frame.
Center and level the first section after you install the brackets.
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.
The door must be level even if the floor isn t so use shims under the section to level it.
Be sure the bar is centered on the panel.
Door opening height and width headroom from top of opening to ceiling and back room length of garage.
Measure attach hinges and handles measure the various areas where the door will be installed.