Best garage door insulation kit – 7 Garage Door Insulation Kit Reviews

Garage door insulation kits are designed to help you insulate the garage door with ease and maintain the temperature in the garage as well as in your home intact.

No matter if your garage is attached or detached, it will for sure cause some major heat loss during the winter and make your energy bill double at least. During the summer heats, that same garage will once more double your energy bill since your AC will run longer in tempting to cool off that extra space.

So there is only one thing you can do. Invest some of your hard-earned money into the best garage door insulation kit. In this article, I will try to explain how to insulate your garage door and recommend the best possible products you can take into consideration, so let's roll.


In a Hurry? The Winner after 40 Hours of Research:

Our Rating: 96/100

Why it is the best?

  • Features highest R-value: 9 
  • Very durable yet easy to install
  • Mold and noise resistant
  • Fire resistant
  • This insulation offers excellent thermal performance
  • Keeps the heat outside during summer and inside during harsh winters

How I Picked:

30 Resources 

300 Reviews Compared

40 Hours Of Research 

20 Popular Products Considered

Last Updated: June 20, 2021

By James Ruhle: This article has been updated to reflect the most accurate information regarding best garage door insulation kits available for those who are interested in insulating their garage the best way possible. The best 5 available have changed, and information has been added to assist individuals in finding the best garage door insulation kit currently available on the market. The FAQ has also been updated.


Current Garage Door Insulation Kits On The Market - Comparison Table

Product

Pieces Included

R-Value Per Panel

Type Of Insulation

Our Rating

Current Price

1 Roll

9

Combination of fiberglass and polymer material

96/100

Reach Barrier 3009 Kit Garage Door Insulation, Silver

8 Panels

5

Reflective bubble insulation

90/100

Matador SGDIK001 Garage Door Insulation, Large, White

8 Panels

4.8

Polystyrene Laminate

91/100

1 Roll

8

Reflective Foam

92/100

White Reflective Foam Core 2 Car Garage Door Insulation Kit 16FT x 8FT R Value 8.0 Made in USA New & Improved Heavy Duty Double Sided Tape (Also FITS 16X7) (One Pack)

1 Roll

8

Reflective Foam

92/100

Owens Corning Garage Door Insulation Kit

8 Panels

8

Fiberglass insulation wrapped in vinyl

90/100

SmartGARAGE- Reflective Garage Door Insulation Kit 2 car - 18'W x 7'H (Reflective/Reflective)

4 Rolls Per Kit

6

Combination of foam and aluminum

89/100

Best Fuel Stabilizers On The Market- Individual Reviews

Don't let your storeroom become a victim of the elements! Even for something as seemingly mundane as purchasing an insulation kit, you must be discerning when making your choice. Without proper insulation during humid conditions, mold can quickly take over and ruin all that's stored inside. Be prepared to protect what matters most with an effective garage door-insulated solution!

There are so many insulation brands available now, and if you are not sure where to start looking, you came to the right place, my friend, since I enlisted these seven best rated high-quality products to help you make the best decision.

Our Rating: 96/100

Not many have heard of Anco as a brand for garage equipment, but this product is sincerely worth mentioning for a few simple reasons. The most valuable feature is the insulation. 

It’s R-value is rated 9!

Yes, you read it well - almighty 9! This is the highest insulation rating can get. It is also great in reducing noise and sounds from the outside, preventing mold formation, and it is fire-resistant.

This kit will, for sure, stop the heat from getting in and getting out. I can guarantee this insulation kit will have your back all year round.

But unfortunately, to be able to provide you with all those great features, it needed to be heavy. Heavy like it will affect the movement of your garage doors.

This heavy-duty insulation kit is the perfect way to insulate your single garage door. The robust 2" thick combination of fiberglass and polymer materials provide superior protection while staying 100% non-toxic for kids and pets alike. Plus, with its 9ft length installation is a breeze - no need for special tools or experts – just another pair of hands!

The most important thing is to cut the panels precisely so the insulation can fit snugly into the garage door frame. But in case you are not sure it will stay up for too long, you can always additionally purchase a double-sided adhesive tape and give yourself some peace of mind.

Anco's premium garage door insulation kit is the highest performing product available, offering superior thermal performance to save you money long-term. With unparalleled efficiency and an investment that pays off quickly, Anco offers a top choice in insulating your garage door with maximum results.

Pros

  • R-value is rated 9
  • Suitable to use all year round
  • Durable and tough made from 100% non-toxic fiberglass material
  • Fire-resistant and will prevent mold formation
  • Easy to install and mount into the framework of garage doors
  • Best thermal performance 

Cons

  • Very heavy
  • High price
  • Requires precise cutting skills


Reach Barrier 3009 Kit Garage Door Insulation, Silver

Our Rating: 90/100

If you are on the budget and you live in the area where radiant heat is always present, you should consider purchasing this door garage insulation kit. Don’t get me wrong, it works okay for cold weather as well, but it is intentionally made for areas where fire hazards due to high temperatures occur. 

The Reach Barrier kit is a radiant barrier, very lightweight, easy to install and customize. As I said, the most valuable feature of the Reach Barrier door insulation kit is the price since you will be able to insulate the entire garage door for an incredibly low price compared to the competition.

Installing this garage door insulation kit couldn't be easier! Pre-cut panels are included, but they can easily be trimmed with a utility knife and straight edge if necessary. Each panel has an R-value of 5 which is low compared to other options on the market such as Matador Garage Door Insulation. There's no need for rails since these panels come complete with 48 self-stick adhesive squares - all you have to do is give your doors a thorough clean before installation and then let those sticky squares get done their job!

Installation won’t take more than an hour if the adhesive squares work as they should considering they tend to fall off from time to time. That is why it is recommended to purchase a tube of liquid adhesive or double-sided tape (resistant to all weather conditions) and use it instead of the included sticky squares.

The outer layer is made of a unique reflective polyethylene material that can block up to 95% of reflecting heat. But there is one downside that considers the outer layer. It can’t be painted, which can be a problem for some users.

Pros

  • Reach Barrier is cost-efficient garage insulation
  • Works great during summer and winter
  • Meets fire safety standards
  • Made from reflective polyethylene material 
  • Blocks up to 95% of reflecting heat
  • Easy to install and customize if needed with a utility knife
  • Lightweight design

Cons

  • R-value is low
  • Sticky squares that are included in the kit tend to fall off so they should be replaced with double-sided tape
  • The outer layer can not be painted in case you do not like the color

Matador SGDIK001 Garage Door Insulation, Large, White

Our Rating: 91/100

Matador is a well-respected company known for making the best high-quality garage door insulation kits. This company is well known for creating user-friendly products, and as you can see in the reviews and comments, this kit is very popular with first-time users. There is no easier way of insulating a garage door than using these simple panels.

This easy-to-install kit is the perfect solution for your insulation needs! Simply cut to size and install on existing door rails. If you don't have either of them, just use a bit of liquid adhesive - 10 pounds won't take much! Enjoy the convenience of this lightweight yet a reliable product that keeps its place tight in no time.

The entire process takes no more than an hour, and you do not require any special tools, as I already said. It is available in two sizes 7 x 8 or 9-foot doors as well as 8 x 8 or 9-foot doors, which covers most standard panel doors. If you have a multiple door garage, you will need to purchase additional kits to cover them all.

Matador's garage door insulation is an excellent choice for achieving a classic, pristine look with minimal effort. Each panel consists of high-quality white polystyrene laminate that offers efficient R-value protection from mid-range zones - the perfect option to suit your needs. If you're looking for extra coverage, simply double up on panels – but we think one set can handle all those insulation duties!

Also, the laminated exterior is straightforward to clean. But what I liked the most is the high impact-resistant finish and how reflective it is.

Pros

  • Easy to install
  • The kit consists of 8 panels
  • Available in two sizes
  • Covers most standard doors
  • Made from high-quality white polystyrene laminate
  • High impact-resistant finish
  • Easy to clean

Cons

  • R-value is only 4.8
  • Suitable only for mid-range zones for both hot and cold temperatures
  • Not suitable for multiple door garages

US Energy Products 2 Car Two Car Garage Door Insulation Kit (16'x7' or 16'x8') (Foil Finish) Includes: Reflective Foam Core Insulation (120 sq ft), Razor Knife, Squeegee, Double Adhesive Tape.

Our Rating: 91/100

If you are looking for an Eco-Friendly and Non-Toxic garage door insulation kit, this product is one of the best on the market currently. The US Energy Product is safe to use, and it is ASTM Certified, meaning it meets all the fire requirements. It will also approximately reflect heat energy to 96%-97%, which is incredible.

Also, there is an added benefit of a vapor shield. That guarantees you your space will not get affected by moisture or humidity. The temperature inside the garage will be controlled until 19-20% less than regular during the summer season. 

It is also very reliable during winters since the garage's warmth can't be lost that easy. That leads us to the conclusion that this garage door insulation will prevent mold formation.

Installing this kit is a simple, easy task that doesn't take long and requires no special skills or tools. Just be sure to thoroughly clean your door before applying the double-sided adhesive tape for maximum adherence. While it's great how effortless installation can be with such Tape, unfortunately, its sticking power isn't meant for prolonged use - after about a year you'll start noticing some slippage issues as the glue begins to wear off.

The package comes in one 16-feet-long roll of dual-sided foam insulation. It is 5/16-inch thick, making it one of the thickest reflective foam core insulation kits available on the market. 

This insulation for garage doors will be more than enough to insulate a two-car garage door with ease if they are up to 18 feet tall, of course. The lightweight design contains air pockets that will transmit and conduct the heat flow at the same time very effectively. That will result in achieving the R-value of 8. 

Pros

  • Eco-Friendly and Non-Toxic garage insulation
  • ASTM certified
  • Reflective foam insulation kit
  • Heat reflection up to 97%
  • Vapor shield will prevent retention of moisture and humidity which means your garage will stay mold-free
  • Easy to install
  • Enough for covering two-car garage doors
  • R-value is 8

Cons

  • Double-sided adhesive tape is not very durable and will start loosening up after a year or so

White Reflective Foam Core 2 Car Garage Door Insulation Kit 16FT x 8FT R Value 8.0 Made in USA New & Improved Heavy Duty Double Sided Tape (Also FITS 16X7) (One Pack)

Our Rating: 92/100

Enjoy your summer and winter days in comfort with NASA Tech's premium garage door insulation kit. This easy-to-use foam kit provides unbeatable protection from radiant heat, keeping you cool when temperatures rise and decreasing the noise level for an even more peaceful home environment - all without spending too much money!

It comes in one roll, and it is already pre-cut and measured for a 4-panel hinged door that is 16 feet wide and 8 feet high. The roll of foam has two sides - a reflective finish or white vinyl finish. The installation is easy, and it takes no more than half an hour, but it requires more than one person which is a bit annoying. 

The reflective side should face inward towards your garage if you want to make your garage warmer. If you want to make your garage cooler, place the insulation kit with the white vinyl side facing out.

The kit is very efficient in insulation since it features a reflective insulation core with an R-value (rated at 8) that can keep your garage cool during summer and warm during winter. The passage of radiant heat is also greatly reduced, more precisely by 95%, so it is perfect for garages that are directly affected by high heat and temperatures.

Our insulation kit comes equipped with a special double-side adhesive, specifically designed to ensure that the door is kept insulated efficiently. To get started on your installation process, be sure to give the garage entrance a thorough cleaning and drying first; then use our pre-cut foam roll strips for easy attachment around door hinges!

The roll can be cut in 4 insulation panels for the hinged door, as I already mentioned, but in case you sport those rare 5-panel doors, you have two options. The first option is to purchase one more door insulation kit. The second option is to contact NASA Tech since they can special order you any size that you need in a single roll.

Pros

  • Very efficient in terms of insulation as well as noise reduction
  • Easy to install and it covers two-car garage doors
  • Heat reflection up to 95%
  • Features reflective foam core and two sides
  • R-value is 8

Cons

  • Requires two people for installation
  • Adhesive tape can’t withstand high temperatures

Owens Corning Garage Door Insulation Kit

Our Rating: 90/100

Keep the winter chill out of your house and enjoy a comfy, peaceful home with Owens Corning's specially designed-garage door insulation kit. Featuring fiberglass wrapped in durable vinyl, this product offers five times more thermal performance than un-insulated doors while also reducing outside noise by 20%. Get ready to stay cozy all year round!

The insulation kit is suitable for a single nine-foot garage door, so if you have two-car garage doors, you will need to purchase an additional kit. Luckily, Owens Corning kept this problem in mind and sold these insulation kits also in 1, 2, 3, and 4 packs to make it more convenient for you.

The installation is quite easy, and if you do everything right, it takes less than an hour. You will need only a few essential tools like a tape measure, straight-edge, a marker, and a Stanley knife.

The fiberglass material is flexible and highly resistant to denting. Still, it can cause itching when in contact with your skin, so make sure you wear protective gloves when installing the insulation panels. 

Each kit comes with 8 insulation panels, and instead of adhesives, you will use a puncture-pin system to install them on your doors. Each panel comes with just two pins, which I must say is not enough to hold ‘em in place correctly, so I still recommend buying some adhesive tape. 

Owens Corning garage insulation is the perfect choice for almost any region, with an R-value of 8 that ensures reliable thermal protection. Ideal for higher temperate climates and metal doors, this batting should not be painted or covered with other insulations to prevent moisture buildup - which could decrease its efficiency.

Pros

  • Suitable for high-temperature climates and metal doors
  • Reduce 20% of noise
  • Provides five times thermal performance
  • Features fiberglass type of insulation wrapped in vinyl
  • Resistant to denting
  • Easy to install and clean
  • R-value is 8

Cons

  • Not suitable for wooden garage doors
  • Fiberglass can cause itchy skin, so protective gloves are a must during the installation process
  • The two pins per panel are not enough for proper mounting

SmartGARAGE- Reflective Garage Door Insulation Kit 2 car - 18'W x 7'H (Reflective/Reflective)

Our Rating: 89/100

If you are looking for reflective insulation for the garage door, the SmartGARAGE might just be what you need. It also offers high insulating properties since it can reflect heat up to 97%. This insulation kit will maintain your garage cool all through the long hot summer with ease. 

The reflective layer also offers a vapor barrier, so the kit is resistant to mold and moisture formation. 

This door insulation kit offers a robust combination of aluminum and foam to reduce the temperature in your garage by 8 degrees! With four rolls that can be easily trimmed, it fits most two-car garages up to 18 feet wide. However, please note that installation will require you to cut each roll for anything taller than 7 feet - so get ready with those scissors if needed!

The installation is simple, but it requires a spare set of hands and additional effort since the kit comes with double-sided adhesion tape, which needs careful application. But at least in the case of this insulation kit, the adhesive tape is heavy-duty and will withstand any temperature. If you have a flat garage door or a 5-panel garage door, you will need an extra kit that is not cost-efficient.

To insulate your door for maximum efficiency, you'll need to start by giving it a thoroughly clean and dry. Next, apply the adhesive tape evenly around the edges of the frame - this will create an airtight seal perfect for most climatic zones – with additional cut-outs where necessary for windows or hinge mechanisms. Applying two layers of insulation roll is key in achieving R-value 6: providing optimal protection from unconditioned outdoor environments!

Pros

  • Reflects heat up to 97%
  • Features vapor barrier, so it prevents moisture retention and prevents mold formation
  • R-value rated 6
  • Easy to install and maintain clean
  • Durable and flexible
  • Adhesive tape is very durable
  • Suitable for two-car garage doors

Cons

  • Not suitable for flat doors or doors with five panels since you must purchase another full kit
  • Not so cost-effective
  • Requires a lot of cutting when installing

Best Garage Door Insulation Kits - FAQ 

Are garage door insulation kits worth it?

The garage door is often seen as a weak link that will harm your home's thermal efficiency. This is quite understandable since, in most homes, the garage door opens several times a day. That means you will expose an entire wall to cold or hot outdoor air (depends on the season) and transfer the coldness or heat to the next room.

For this reason, you should consider insulating your garage, unless the garage door is rarely used. The garage door insulation kits will save energy so your bill will be reduced, it will also enhance the durability of your garage doors. The protective layers will also reduce the amount of noise that comes from the outside. Let's not forget it is way better to have a warm garage because of thermal efficiency, but it will also be beneficial to your car and belongings in there.

So yes, I will freely say that investing in the best garage door insulation kit is worth it.

What is a good R value for a garage door?

Knowing the R-value of your garage door insulation is key in determining how well it will protect against temperature changes. Typically, an average range between 4 and 9 per panel yields a 19 to 30 R-value overall for moderate climate regions - giving you optimal thermal resistance! You can rest assured that higher ratings give better protection from extreme temperatures inside or outside your home.

How do you insulate a garage door?

Well, it is straightforward to insulate your garage door. There are only a few things you will need. 

First, you got to choose the garage door insulation kit for your type of garage door. The second step is to gather the required material such as panels from the kit, utility knife, a measuring tape, and some kind of mounting equipment such as adhesive tape, liquid adhesive, etc.

After you gathered all the material, you need to measure and cut the panels to fit your garage door dimension perfectly. Cutting size depends on whether you use adhesive tape or place the panels in the framework of your garage door. In case you are placing them in rails or framework, you will need to cut them an inch longer than your doors are to be able to tuck the panels properly. 

Also, remember that the foil side should always face the garage door and create an air gap that will help in reducing the summer heat.


After It's All Said and Done, I Recommend:

Our Rating: 96/100

Why it is the best?

  • Features highest R-value: 9 
  • Very durable yet easy to install
  • Mold and noise resistant
  • Fire resistant
  • This insulation offers excellent thermal performance
  • Keeps the heat outside during summer and inside during harsh winters


Conclusion

As you can see, searching for that one perfect garage door insulation kit is not so hard after a little bit of research. I can guarantee you that after reading this article and getting to know better with each product I choose for you, you will know what exactly to look for.

In case you are looking for the best budget option, I highly recommend you to pick out the Reach Barrier 3009 Garage Door Insulation Kit which reflective bubble insulation will offer you the best possible value for the price.

But after long hours of thorough research, I also found my ultimate favorite garage door insulation, and that is Anco Garage Door Insulation Kit- DIY. Yes, it is quite expensive, but I can not run away from the fact that this fiberglass insulation provides R-9 value, which is the highest value of all.

Now that you have your garage insulation on point, you can spend your spare time by taking care of your beloved car. If you ever questioned how to keep your car’s dashboard clean, I recommend you to learn a few tips from this article.

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