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How to Insulate a Garage Door Yourself?

Did you know that an insulated garage door can keep your garage space about 12 degrees warmer in winters and 25 degrees cooler in the summer? Adequate garage door insulation can make your life warmer, cooler and definitely quieter. Insulating a garage door is beneficial for multiple reasons. Be it woodworking, lifting heavy weights in a home gym or a space for automobile tinkering, there are multiple reasons why you want your garage space to be comfortable. In this blog, we discuss the some DIY (Do It Yourself) techniques to insulate garage doors.

Matching Insulation to Your Garage Door

The first step is to select an insulation that’s easy to install and appropriate for the climate. Steel garage doors can easily accommodate any type of garage door insulation. In fiberglass garage doors, you can choose to use the flexible insulation frames.

Gather the Materials

The first step is to collect adequate tools to carry out the process. A knife or blade to cut the foam board, a measuring tape or metal yardstick and 4 sheets of foil-based foam.
4 sheets of 8’x 4’ foil-faced foam that are usually enough for standard 2 car garage doors.

Measure and Cut Precisely

Once you have gathered all the garage door materials, measure the size of each garage door panel. When it comes to the foam, cut the foam into rectangles and make sure and add about an inch to the shorter dimensions. This is done mainly because the panels are slightly larger than the actual framing. Again, it is important to make sure that the measurements are taken with precision as slight mishandling may end up creating air gaps.

Measure Each Panel Individually

If you wish to save yourself from the headache of wasted materials, measure each garage door panel individually. It is wrong to assume that all the panels will be of the exact size. Once you are done you have the advantage of a radiant barrier to help you keep radiant heat out in the summer.

Test the Garage Door

An adequately balanced garage door needs to stay in place. Though insulation adds weight to the garage door, it may hamper the balance of the garage door leaving the garage door in an unbalanced state; this may in turn damage your garage door opener. Once you complete the insulation process, make sure that you check the balance of the garage door.


Garage door insulation cuts on energy bills and also reduces street noise giving you quiet space. Executing the DIY process for garage door insulation is simple but it is always important to make sure that the work is completed with precision. But, when it comes to garage door, it is always better to avail the assistance of garage door service professionals. Phoenix Garage Door Experts houses a team of seasoned professionals who can complete the garage door insulation process with precision.

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Posted in Garage News