How To Cut Garage Door Trim

Step 1 remove old trim.

How to cut garage door trim.

Then measure the length of the moulding from the inside point of the miter you just cut to the desired length. Measure across the top of trim on the outside of the door from the outside corners of both pieces of vertical trim that you just nailed on. If you currently have trim around your garage door you will need to remove it before installing the new trim. Step 3 position the weather stripping and trim above the garage.

Step 2 cut your trim to size. Measure the inside dimensions of the garage door jamb horizontally across the top and vertically along both sides. Cut the first miter on the head moulding piece. Make a mark before you cut another 45 degree miter with the power miter.

Set the power miter to a 45 degree angle. Learn how to install our vinyl thermostop garage door trim. How to trim a garage door opening 1. Cut a piece of trim to that measurement.

Use an angle gauge to.