To repair rotted door frame first remove rotted wood with a 5 in 1 or other sharp tool.
Replacing wood around garage door.
Use a polyester filler to rebuild rotted or damaged wood.
Use a reciprocating saw to cut through the nails holding the doorjambs to the garage door post.
Unlike windows and doors with eaves to protect them from a certain amount of water garage doors.
Dig out all the dirt and rotted wood from the hole where the post once stood.
Pull out the rotted post from between the doorjambs.
You can mold and shape it to match the original wood profile.
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.
Garage door trim is notorious for water penetration.
Remove all wood trim from the garage door post using a hammer and pry bar.
A new garage door is a diy project any homeowner can do with a couple of strong friends.
Then coat the rotted door frame area with wood hardener.