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What You Need to Know About Using a Garage Door Insulation Kit (How to/Manufacturers/Cost)
Amanda Ringler

By: Amanda Ringler on October 31st, 2018

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What You Need to Know About Using a Garage Door Insulation Kit (How to/Manufacturers/Cost)

garage door insulation  |  garage door insulation kit

Did you know your attached garage is letting a ton of air into it, as well as your home?

The rest of the garage may be insulated, but if you missed the door, then think of the size of that space with no insulation barrier at all. Do you have a single garage door or double? That’s a whole lot of air coming in through those doors.

If the rest of your garage is insulated, you may be thinking of just insulating the garage door yourself. You have garage door insulation options that you can pick up at your local home improvement store, including rigid foam board and fiberglass garage door insulation panels.

The crews at RetroFoam of Michigan have insulated their fair share of garage doors, and while we don’t use or offer insulation kits, we can tell you about your options, how to install them, and how much they cost.

How to Install Garage Door Insulation

Insulating your garage door will keep all of those harsh outside temperatures from getting not only inside your garage but out of your home as well.

The first thing to remember is to measure twice and cut once. When it comes to insulating your garage door, this couldn’t be truer. You want to make sure you have exact measurements before you even start shopping.

Both of the insulation options you have will require some cutting to ensure the material fits flush against the garage door. Some supplies you will need include a utility knife, tape measure, straightedge, saw, dust mask, hammer, nails, retainer clips, and double-sided tape.

The brand of garage door insulation kit you purchase will determine which supplies you need.

Now let’s take a closer look at the kits and what they have to offer.

Garage Door Insulation Kit Manufacturers

The garage door insulation kit manufacturers we will be taking a look at are Cellofoam, Owens Corning, and Insulfoam.

These kits can be purchased at most home improvement store.

  • Cellofoam Garage Door Insulation Kit – This kit comes with eight expanded polystyrene foam boards. These boards have kerfing for quick and easy installation and can be washed for hassle-free maintenance. Each piece measures 20 in. x 54 in. x 1 ¼ in.
  • Owens Corning Garage Door Fiberglass Insulation Kit 22 in. x 54 in. – This kit comes with eight pieces of vinyl faced fiberglass that fit between the steel channels of uninsulated metal garage doors. The pieces are 2.25 in. x 22 in. x 54 in. This product is not for pre-insulated doors, wood doors, or doors without channels.
  • Insulfoam Garage Door Insulation Kit – This kit comes with eight panels that are 54 in. x 20.25 in. x 1.25 in. with facer on one side and grooves on the other. The panels don’t need any additional glues or adhesives for installation.

Garage Door Insulation Kit Cost

The cost for garage door insulation kits varies depending on the size of your garage.

Let’s take a look at the cost of each kit, but keep in mind these prices don’t include any additional supplies you may need for installation.

  • Cellofoam Garage Door Insulation Kit costs $59.98 from Home Depot and covers one standard 9-feet wide garage door. A two-car or two-door garage will require two kits.
  • Owens Corning Garage Door Fiberglass Insulation Kit costs $89.95 from Home Depot. Two kits complete a double garage door at 18-feet.
  • Insulfoam Garage Door Insulation Kit costs $59.98 from Lowe’s. These panels fit all standard 8-feet to 9-feet metal garage doors and can be easily cut to fit non-standard sizes.

Choosing the Right Insulation Kit for Your Garage Door

When it comes to insulating your garage door, you have to choose the material that best fits your needs.

Not only should it meet your needs, but if you plan to do it yourself, you should buy a kit that will give you the coverage you want as well as the ease of installation.

Foam Insulation Learning Center

About Amanda Ringler

Amanda previously has worked as a breaking news and crime reporter, TV news producer, and editor in Flint and Detroit. Throughout her career as a journalist, she has won several awards from the The Society of Professional Journalists - Detroit Chapter and the Michigan Press Association. As part of the RetroFoam of Michigan family, Amanda uses her experience as a journalist to write content that will help educate homeowners on the benefits of foam insulation. When Amanda isn’t writing, she’s spending time with her husband and rescued huskies. She also loves knitting, making art, cooking, and hosting dinner and a movie night for friends and family.