To repair rotted door frame first remove rotted wood with a 5 in 1 or other sharp tool.
Rotting garage door.
Garage doors typically don t require much in the way of regular maintenance but one problem that is not uncommon is rotting door jambs.
Insert the tip of a flat crowbar under the trim.
A common place for wood rot to be found is on the lower part of a garage door trim jamb this repair seems intimidating but it is actually a very easy repair that you could do if you have moderate.
Door jambs are susceptible to wood rot due to their exposure to ground level moisture.
Some garage doors are.
With time the wood frames and bottom starts rotting and breaking down.
Pry on the crowbar to lift the trim and loosen it.
The bottom portion of your garage door is most susceptable to this kind of wear which can lead to water damage and wood rot.
Poke around on the surface of the exterior door using a sharp object like an awl or screwdriver to identify where the wood has rotted.
Mix polyester wood filler or bondo wood filler and press it into the recess with a putty knife.
In case you have had a plumbing accident water in your garage will move to your garage door.
Wood garage doors tend to absorb all the water and start expanding.
Tap on the back of it with a hammer to drive the tip in as far as you can.
An old wooden garage door made of fiber board wood or other composite wood materials can become warp and receive water damage from years of rain and snow splashing and pelting its surface.
How to use epoxy on wood for repairs.
Pull off any damaged wood that you can to make the repair.