Step 1 remove the old garage door trim.
How to change garage door trim.
Removing the trim is not hard to do but in order to do so you need to open the garage door.
Insert the tip and repeat prying to.
How to replace garage door trim.
Tap on the back of it with a hammer to drive the tip in as far as you can.
Avoid placing the nails close to the ends of the trim.
How to redo rotten trim around a garage door.
Hold the nails up to the trim to see if they re long.
Depending on the thickness of your trim you may need larger nails.
Pull out the crowbar and move it 24 inches to the left or right.
Insert the tip of a flat crowbar under the trim.
Step 3 install the header.