Insert the spline and clamp the door until the glue hardens.
How to fix broken door panel.
Start removing broken panels individually next take out damaged panels.
Although it s very easy to repair the broken wooden panel the user just needs few basic tools rather than replacing the entire panel below are the steps that are very easy to follow in order to repair broken wooden door panel.
To fix your door particularly the garage door be sure to slide each of the broken panel out of the doorframe one by one.
Dribble wood glue into the crack and set a clamp against the blocks to pull the crack closed.
Mount the new panels finally set up the new panels on your garage door.
The wooden door panels will develop cracks with the span of time which is more often if the panel is not free to expand and contract.