How to trim a garage door opening 1.
How to cut garage door trim.
If you currently have trim around your garage door you will need to remove it before installing the new trim.
Use an angle gauge to.
Measure the inside dimensions of the garage door jamb horizontally across the top and vertically along both sides.
How to install trim around a garage door opening.
Then measure the length of the moulding from the inside point of the miter you just cut to the desired length.
Measure for the brick molding the trim that will face the street starting with the top piece.
Step 1 remove old trim.
Set the power miter to a 45 degree angle.
Step 3 position the weather stripping and trim above the garage.
Learn how to install our vinyl thermostop garage door trim.
Step 2 cut your trim to size.
Cut the first miter on the head moulding piece.
Nail the head moulding piece to the door jamb with trim nails.