Center the door panel in the garage doorway.
How to install new garage door panels.
Drill pilot holes image 1 and secure the bar with screws.
Attach hinges to the top of each panel image 2.
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.
Part 1 removing the old door.
The rubber gasket on the bottom section will fill the gaps created by an unlevel floor.
To hold the level in place tape it to the section.
Begin installing your new door.
Be sure the bar is centered on the panel.
Many new doors come with pilot holes drilled by the manufacturer.
The door must be level even if the floor isn t so use shims under the section to level it.
Use shims to adjust the panel as needed.
You ll also need to secure the springs that allow the door to move but once you do your garage will open and shut smoothly and safely.
How to install garage door springs overhead door.
Loosen the bolts holding the bottom panel to the center bracket and carefully remove the panel and replace with new panel.
Line up the bottom corners in the cable anchors and use the hinges and brackets as templates for drilling holes for bolts.
Center and level the first section after you install the brackets.