Use the tape measure to measure the sides of the garage.
How to replace garage door wood trim.
Pry on the crowbar to lift the trim and loosen it.
Some garage doors are.
Use this measurement to transfer to the vinyl door trim and then cut them to the correct size as you did in step 3.
Once the trim is cut place one side piece along the edge of the garage door.
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.