Are Insulated Garage Door Panels Worthwhile?

As energy costs keep increasing, homeowners look for ways to reduce expenses. Insulation represents the most common method of doing just that.

If the entire house already features proper insulation, consider the garage door. This area may provide a gap, letting the coldness creep in or the heat escape. But first, let’s examine whether insulating the garage door is worthwhile.

Benefits of insulated garage door panels

Insulated panels solve a crucial issue with garage doors. These doors are opened several times daily, making them a weak thermal spot. The insulation helps resolve the issue, potentially saving lots of money. The financial gain should materialize in the long run.

Garage door insulation options

There are currently five significant insulation methods, each suitable for particular situations or budgets:

  • Spray foam

  • Foam boards

  • Reflective boards

  • Spray cellulose

  • Fiberglass

Spray foam is easily applied to the garage door but provides relatively poor insulation. Nevertheless, this method is often used for roof sheathing, particularly attics.

Foam boards feature a rigid, thin design. At the same time, they allow for excellent insulation, making these panels a worthwhile investment.

Reflective boards work best in warm climates. Similar in build to foam boards, the reflective variant has a layer of foil that staves off heat.

Spray cellulose performs better than spray foam, providing considerable insulation. However, this insulation type has the highest price point of all the options mentioned here.

Fiberglass represents the most cost-efficient solution. The fiberglass cellulose styrene layer is applied inside the garage door to maintain interior temperatures.

Insulated garage doors

Rather than needing additional insulation, garage doors come in insulated variants. In these cases, the door has a core made of foam with metal panels on either side. These doors make for better energy savers than regular garage doors without insulation.

The downside of insulated garage doors lies in the replacement. While other insulation methods are easily applied to standard doors, getting new insulated garage doors requires installation. This more costly aspect makes other insulation options the preferred choice.

Insulated panels as home improvement investments

Installing insulated panels makes for a worthwhile investment in the case of an attached garage. The additional insulation may stabilize the overall temperature if the garage shares one or more walls with the home.

With proper insulation, the entire home can stay warm during the winter and cool in the summer. In either case, the improvement might reduce power bills. Also, various belongings can get damaged due to extreme or changing temperatures. More insulation lessens the chances of such damage.

Safeguard the garage and its contents

Insulation represents a good move if the rest of the garage and home already have proper protection. Improving only the garage door won’t have a considerable effect.

Most importantly, the insulation job needs to be done by a reliable, professional service. This will ensure a seamless installation done by qualified experts.


Phoenician Garage Door & Repair offers full-service garage installation, repair, and maintenance in Maricopa County. Emergency service is available. We are licensed, bonded, and insured. Call (602) 610-0112

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