10 Best Garage Door Insulation Kits 2021 – Reviews & Guide
A garage space can be used for much more than just keeping our car in it. if you have a small car but a huge garage, you can easily turn it into a living space or chill spot for your kids and family.
Just add a few furniture and fun activities and you have a spare living room; but no, it’s not that easy. You might have all the furniture you need, but you do not have proper ventilation.
So, if you want your garage to be a habitable space, check out our best garage door insulation kit reviews.
We’ve added all the information you need and some of our favorite picks for you to choose from as well.
10 Best Garage Door Insulation Kit Reviews
No need to skim through thousands of product reviews to find the perfect insulation kit. This is the only one you need to read. Down below we have a list of the insulation kits that we know will work for you.
1. Reach Barrier 3009 Garage Door Insulation Kit
First up on our garage door insulation kit reviews is this amazing one from Reach Barrier. It’s a kind of insulation kit that will help keep your garage warm in winter and cool in summer. It is a foolproof kit that you can never go wrong with.
So, if you're not sure about which insulation kit to go for, you can easily buy this one.
This insulation kit can block 95% radiant heat. So, using this insulation kit in the summer can be very beneficial. You won't even need to turn on the fan to stay cool in the summer with this insulation kit.
As well as it blocks heat in the summer, it can keep you warm in the winter as well. The construction of this insulation kit is designed with aluminum in the back and the front. In between these layers is a bubble layer that helps make a barrier between the garage door and the outside temperature.
This is the best garage insulation kit to get if you want to save up money. No need to turn on any kind of heaters in the winter and no need to turn on the AC in the summer.
Save on your electricity bill with this helpful Reach Barrier 3009 insulation kit. Also, help save the environment by turning on fewer heating and cooling devices.
In this kit, you get eight precut panels. This is more than enough to cover any medium to large-sized garage door. The panels measure 4 feet by 2 feet. It is just the right size for any single car garage door.
To make your job of installing this insulation kit a lot easier, this kit comes in an adhesive format. All you need to do to get this thing up on your garage door is sticking it to the door. Make sure to clean out the surface properly beforehand and the panel should stick to it easily.
2. Matador EP1323054_02 SGDIK002 Garage Door Insulation Kit
The worst part of installing insulation on garage doors is how messy it can get. Even insulation kits that can be stuck on to the door can require a lot of cleaning and get quite sticky. Pinning and drilling can take up to several hours.
So, if you are looking for the best garage insulation kit with easy installation, check out this Matador garage insulation kit. All you need to do to get these on your garage door is clip them on. That is it. No drilling, no pins, no adhesive. Just three simple steps and you can be done with your installation.
A great insulation kit to get if you are a beginner. The full installation process will take you less than an hour.
The panels are precut to fit any standard garage doors that measure 8 feet by 9 feet. This size is quite common and general; hence, fits a lot of peoples’ size requirements.
This insulation kit can keep you warm on freezing winter nights. It keeps all the cold air away in winter. Therefore, you can now use your garage space as a cozy living space area. Or, you can turn it into a workspace without having to add any heating tools.
Similarly, in summer, this insulation kit can keep you and your family cool and breezy. In summer, it blocks out the hot air and humidity to give you a nice and chilled interior.
The insulation system in this Matador insulation kit is flawless. There is no way it could go wrong in keeping you comfortable.
Besides blocking out outside heat and cold, this insulation system also helps make the inside quieter. It won't make the garage soundproof, but it does help quiet things down.
As a garage is on the exterior of the house, it is exposed to the most amount of sound from outdoor cars. This insulation kit can help you with this issue.
3. NASA TECH White Reflective Foam Core 2 Car Garage Door Insulation Kit
Next up on our reviews is a kit that people with large garage doors will love. Getting the right size insulation kit for large garage doors can be quite difficult. Getting ones that need to be cut can be messy. You also need a professional to cut the panels to the right size.
These large garage door insulation panels that come in sizes 18 feet by 8 feet are the perfect fit for double door garages.
NASA TECH also make these insulation panels with a great R-value. This means that the panels are great at insulating. You can keep your garage cool in the summer and warm in the winter without having to use a heater or a fan or an AC.
Invest a small amount in these insulating panels and get money off on your electricity bill for the rest of your life.
These insulating panels are especially great for the summer. This is because besides keeping the interior cool, it also keeps the interior free of humidity. So, you won’t feel sweaty and sticky no matter how hot and humid it is outside.
When it comes to installation, this has one of the easiest methods of setup. It comes with double-sided tape on both sides of the panel. Clean the garage door to get rid of all kinds of dust and debris, and you can then comfortably add your garage door insulation panel on top.
The whole process will take you just about an hour.
You do need to keep in mind that the glue in the double-sided tape might melt if it gets too hot. So, if you live in coastal areas you might want to pin the insulation panels down with something.
In the kit, you also get sharp razors that you can use to trim off any excess panels. You can use this to cut the double-sided tape as well. Everything that you might need is included in the kit.
4. US Energy NASA TECH (Pre-Cut for 16 Panel)
NASA TECH already make great quality insulation panels that you can use not only in your garage but in all parts of your house. This model is an upgraded version that they made to fit all your needs.
The panels come precut so that you do not have to do any measuring or cutting. But they give you the panels in a great quantity. So, if you mess up, you always have some extra bit that you can then add up. This is also great as you can then add these insulation panels to garage doors that are a lot smaller too.
A shiny surface such as this one is a very old method of insulating an area. It works all the time. The one thing you need to be considerate about is that shiny aluminum insulators like this one can sometimes cause a fire hazard.
The insulation system creates tiny air pockets that help keep the inside temperature different from the outside. These air pockets are what help this insulation panel achieve the R8 Value.
One thing that we love about this insulating garage door is that it is lightweight. So, it does not affect the performance of the garage door at all. This is the best garage insulation kit to get for automatic garage doors as the panel does not weigh it down.
Although the material is lightweight, it is very thick. This is the thickest reflective surface insulation panel you will get in the market. The panel is 5/16 inche thick. This is what makes the panels so great at keeping the temperature inside under control.
A non-fiberglass and no carcinogenic product like this one is great for the environment and your family. The panels are also non-toxic, so this will be the perfect choice for you if you have kids or pets at home.
5. Ant NASA TECH White Reflective Foam Core 2 Car Garage Door Insulation Kit
The NASA TECH Core 2 is an amazing option for people who want to add a soundproof feature to the already insulated garage door. This two-in-one garage door insulation kit will be the right fit for you if you want some more privacy.
Adding the soundproof factor to the insulation kit does not make it heavy at all. With this insulation kit, you can get rid of all kinds of outside noise. This insulation layer will come in handy if you live near a street or a park. It blocks most noises both in and out of the garage door.
There is nothing that we would recommend other than this insulation kit if you are planning on turning your garage into a library or work station. You will get all the peace you want with this kit.
A lightweight garage door insulation kit such as this one is great for automatic doors as well. This is because the layer does not add any extra weight to the door. So, the movement is not restricted. You can easily use the remote control to open and close your garage door at the same speed as before. Get the best wireless garage door keypad to make the experience smoother.
NASA TECH also have a class A and class 1 fire grade rating. This insulation kit is very safe for your house.
Add the insulation kit to any kind of garage door. The material is compatible with most kinds of materials.
You get a handy double-sided tape included with your purchase that you can use to stick it on your garage door.
R8 value insulation rating keeps you cool and fresh in the summer heat. Get rid of all the humidity in summer without having to use an air cooler. This can also come in handy in monsoon and in winter giving you a cozy and warm place to read your books in.
6. US Energy NASA TECH (Pre-Cut for 8 Panel) 1 Car Garage Door Reflective Insulation Kit
One of the hardest things about finding a good quality insulation kit is finding the nontoxic ones. A lot of the garage insulation kits that we buy have harmful chemicals added to them; especially in the glue. This makes the insulation kit very unsafe and harmful for pets, children, and pregnant women.
With the US energy NASA TECH, you do not have to worry about stuff like that. This insulation kit is non-toxic, non-carcinogenic, and also non-fiberglass. No other insulation kit will beat this one when it comes to safety.
This is also one of the thickest insulation kits on the market. The NASA TECH US ENERGY insulation kit range is known for its unique thick layer.
The layer is 5/16 inch in thickness to be precise. Other ones in the market are merely ¼-inch thick or even thinner.
Despite being thick, these insulation kits do not add any weight to our garage doors. You can use them on manual and automatic doors without any worry.
The ultra-thick body of the insulation kit has a foam core and also creates air pockets. This is what helps the kit achieve that R8 rating. So, you can rest assured that with this door insulation kit, you will stay comfortable in all seasons.
Users have found that these insulation kits work best in summer. It is capable of dropping the temperature remarkably low in the high summer heat. Some even say that their garage felt like it was 8 to 10 degrees cooler after installing these in their garage door!
This reflective surface is so shiny and clean looking that no matter how bad of a job you do in installing it, it looks perfect. No one will be able to tell that you did the setup process at home all by yourself. It looks professionally placed all the time. Just as easy as placing a door sweep.
7. NASA TECH White Reflective Foam Core 2 Car Garage Door Insulation Kit
When looking for insulation kits, we always look for the ones with the easiest installation methods. Doing the process at home costs less than calling in a professional. Setting up the insulation kit with double-sided tape happens to be one of the easiest ways you can set the insulation kit up on a garage door.
But the problem with these are that they tend to come off in regions that are too hot or cold.
Keeping that in mind, NASA TECH have designed this version of their insulation kit. Now, you do not need to worry about the double-sided tape falling off due to excessive heat.
This is the insulation kit you need if you live in an area that gets hot in summer or cold in winter, as the tape can also freeze and fall off in extremely cold temperatures.
For your safety, this insulation kit is made in compliance with all US and international fire codes in mind. People sometimes get worried about shiny aluminum-looking garage door insulation kits because they are more prone to catch on fire.
While this is true, NASA TECH has kept this factor in mind and produced this model with all fire codes followed.
This insulation kit is also a great sound dampener. So, you can use this insulation kit to block out sound from the outside as well.
The layer is thick and creates enough air bubbles to achieve a high R rating. This helps you stay cool and breezy on hot summer days.
While NASA TECH insulation kits are wildly popular for being used in summer, they can also be used in winter for heat. A multi-purpose insulation kit such as this one is just what your almost perfect house is missing.
They measure to be 18 feet wide and 7 feet high. This measurement will fit most garage doors; but if needed, they can also be trimmed according to your needs.
8. Smart Garage- Reflective Garage Door Insulation Kit
If not maintained properly, an insulation kit can cause irreparable damages to the door. One of the main problems that you can face is mold. This is because a lot of moisture gets trapped in the air bubbles inside the insulation kit.
With the Smart Garage insulation kit, you do not have to worry about that. This comes with a smart mold control formula. So, if you live in a hot region and the insulation kit has to go through a lot of humidity, you do not need to worry about mold buildup.
Similarly, in colder regions fog and mists can cause mold, but this kit will protect you from that as well.
To keep the insulation kit stuck to the wall, this comes with a very heavy-duty double-sided tape. This tape will not come off no matter what the weather is like outside. You can count on this garage wall insulation kit to stick for the long run without needing much maintenance or fix-ups.
In summer, this insulation kit can reduce the temperature to 8 degrees inside the garage. It will also take care of moisture buildup and humidity to ensure that you have the most comfortable garage to relax in.
If you are installing this thing on your own, you will be able to get done with the installation process in just 2 hours. With help, it will take you about 1 hour.
The finish is so good-looking that anyone can get it to look good. Even beginners can install this thing to look professional and clean.
Keeping your safety in mind, this insulation kit also has no toxic chemicals added to the formula. No carcinogenic materials are added either.
A moderate R6 rating keeps you comfortable throughout the year. No matter how cold it is outside or how hot it is outside, you will be able to stay chilled and cozy inside.
9. ADO Products GDIKS. Single Garage Door Insulation Kit
Want to add insulation to your garage door but afraid that it will darken the place? We’ve got exactly what you need right here. This ADO Products insulation kit was designed specially to brighten your room.
Insulation can add warmth on cold winter nights to your garage, but it can also sometimes make the room a lot darker. This gives it a dull and moody vibe that most people do not like. If you are suffering from the same problem, you can consider buying this ADO Products insulation kit.
This has a bright facing side that not only lets light through to your room but also adds extra brightness.
Insulation helps you save on money by not having to add an AC or a heater in your garage to regulate temperature. This one can help you save more by not having to turn on the lights in the daytime.
The coating is also very easy to clean. So, you can keep your garage door looking brand new and clean at all times without having to spend much time on it.
Unlike the other insulation kits on this list, this one can be added to your garage door by adding pins. This can be a bit tougher and can take a little bit more time but trust us, the process is worth it.
Pinning down your insulation kit means that it will not move one bit. No matter how hot it gets or how cold it gets, you won't have to worry about the glue on the tape melting.
This is a permanent solution that is long-lasting and requires less maintenance.
A high R-value ensures that you are kept as warm as possible during the cold winter season. There is no possibility of the cold freezing air getting into your garage when you have this insulation kit installed.
10. NASA TECH (Pre-cut 16 Panel) 2 Car Garage Door Reflective Insulation Kit
The last product on our list is a true shocker. We kept the last one quite exciting for all of you.
If you want the temperature inside your garage to drop, this is the one you need!
The NASA TECH insulation panels can drop up to 40 degrees of temperature inside your garage. Want to keep your garage cool? Go with NASA TECH.
This is the best insulation kit to go for if you live in a hot summery area. This can turn your congested and hot garage into a breathable, airy, and fresh chill spot that you and your family can enjoy.
The reflective surface has been designed and made by following all health and fire safety protocols. So, there are no harmful chemicals in the insulation wall and there are no chemicals in the glue either.
Unlike other insulation kits with reflective surfaces, this one does not cause any fire hazards. It is pretty safe to use on any kind of garage door material as well.
The clean-finished look makes sure that it is easy for all kinds of people to install this. You do not have to be a professional to set up this insulation kit.
Thanks to the insulation kit being lightweight, you can add it to your automatic garage door without reducing or slowing down its performance. You can also add it to your manual door without having to worry about the garage door becoming too heavy to lift.
This NASA TECH insulation kit creates air pockets that keep your garage door healthy and mold-free as well. Moisture and humidity are restricted from getting inside the garage but it does not build up in these pockets.
Air pockets in the insulation kit help you get an R-value of R8. This is pretty high compared to the other insulation kits in the market. Spend a little more on this insulation kit and enjoy a garage with the perfect temperature for the rest of your life.
Before You Buy, What to Look for
While going through the garage door insulation reviews, keep these features in mind that are must-haves. Buying the best insulation kit for a garage door does not have to be so hard!
This is one of the first things that you have to consider after you've decided on what kind of kit you require. Running out of insulation panels mid-work can be messy, inefficient and a headache that no one wants to deal with.
That is why we recommend measuring the size of the garage door beforehand. This will give you a general idea of the amount of insulation you need.
You’ll see in this garage door insulation review that a lot of the kits come in customizable patterns. This allows you to cut the insulation panel according to the size that you need. But this method increases waste and can be very time-consuming as well.
We would recommend that you get your insulation panel as close to the size of your garage door as possible.
If you are getting spray-on foam as insulation, you should measure out the door beforehand so that you have enough foam to cover the whole garage door.
You can't just use any kind of insulation panel on your garage door. You have to see if they are compatible with the type of garage door you have. Not all insulation panels are compatible with wooden or plastic-type garage doors. Rolling vs sectional steel doors are also a concern.
The insulation kit you can use with metal cannot be used with wood. So, read the manual and the reviews of the insulation panel you want to buy carefully before purchase.
This is a factor that you need to check thoroughly before settling on an insulation kit. You don't want to spend so much money on the kit or spend so much time installing it for it to not work.
For your insulation kit to work properly, it needs to be installed correctly and also needs to be the correct type.
Other than that you can focus on what it is made of as well.
Read about the insulation kit before you buy it so that you are sure and satisfied with the amount of insulation it will provide you.
Before purchasing, check out the U-value and the R-value of the insulation kit.
The R-value of the insulation kit will tell you how much thermal efficiency the insulation kit has, it will also tell you about the rate of heat loss.
And the U-value of the kit will also give you a measurement of the rate of heat loss.
Adding too much weight to your garage door can never be good; especially if you have an automatic door. If you add more weight to the door, there is a possibility that it will not open and close properly unless you have the best garage door springs installed.
For proper operation, you will need to amp up the power needed to open and close the door. If not, the garage door will need more frequent maintenance and will soon become completely unusable.
When it comes to garage doors that are manually opened, adding weight will be frustrating both on the door and on you. Let’s face it, opening garage doors is hard enough on its own, we don’t need to add more weight to it and make it harder.
It’s better to go with insulation kits that are lightweight in general. A material like rigid foam or fiberglass will be the perfect choice for you in this case.
Usually garage door insulation kits come with tape or clips. Some can also be tuck into the door. But the best form of setup is with adhesive. This makes your work a lot easier and makes the insulation kit stick to the door a lot stronger as well.
This ensures that there are no pockets of air trapped between the garage door and the insulation kit as it can throw off the insulation system.
It will also take you a lot less time.
This is one thing that you need to see when buying any kind of product. You need to invest in a garage door insulation kit that can be installed at home without needing professional help. Quick installation is something that we all need in our lives.
Types of Garage Door Insulation Kits
Garage doors can be of many different kinds. Different materials and different builds as well. Here are a few types of garage door insulation kits.
Fiberglass is a material that is used quite often in home construction. Be it your attic, room, balcony, or garage, fiberglass is a material that can come in handy at all parts of your house.
This is because of the build and insulating quality of the product. R-value is what measures how well the insulation quality is of material. The higher the R-value of material, the better it is for insulation. Fiberglass has a great R-value. Therefore, it is a great kit to buy for keeping your garage breezy.
It is accessible and easy to work with, making it a great DIY garage door insulation kit. The only thing you have to be concerned about is that it can be very messy at times. You'll have to take precautions and safety measures before you start working with this material if you want to avoid cleaning up the huge mess afterward.
Foam is porous and lightweight which makes it a great substance for insulating garage doors. You can get foam for quite cheap price at any hardware store near you.
The foam for insulation comes in two main forms; Spray Foam and Rigid Foam.
You get an aerosol can filled with foam that you can spray on the garage door. This is a beginner's dream come true. But spray foam insulation is a temporary solution.
It will only last you a couple of days and cannot be a permanent solution. You get this can of spray foam in any hardware store or online and it is quite cheap as well. But most of the time, this spray is not good for your garage door.
Rigid foam is sometimes referred to as core foam as well. This is a sturdier and string foam that you can use on your garage door. If you want the best insulation for garage door, you can go for kits made with rigid foam.
This layer will stay brand new for a longer time eliminating the need for you to do maintenance on the garage door. It is basically like Styrofoam. The material is lightweight, affordable, and also user-friendly.
Cellulose-based kits are made with organic materials such as plant fiber, wood, and cotton. This is the one you want to go for if you want the finest garage insulation kit that is organic.
This material is good for your home and the environment. It can also be made with recycled materials such as paper and water bottles.
The material has a fire-resistant property that helps keep you safe from fire hazards.
This layer is usually made of some sort of reflective material. You then add a gap layer or air space layer with bubble wrap and you’re good to go. This kit works quite similar to the fiberglass ones and helps keep you warm.
Frequently Asked Questions
1. What is a good R-value for a garage door?
If you want your garage to be warm and cozy at all times, you need a garage door insulation kit that has an R rating of 14 or 16. This will give you the optimum temperature inside with adequate airflow.
2. Does insulating a garage door make a difference?
Yes, it does. The main difference it makes is that it helps you save energy. You already spend a lot on keeping your house heated and warm during the year. By adding insulation to your garage door you keep the garage hot and cozy naturally without using any energy. This helps you save on that electricity bill. Additionally, it works as a garage door seal.
3. What is the cheapest way to insulate a garage door?
The cheapest and safest way to insulate a garage door is to use an insulation kit. However, if you want to go cheaper you can go for foam sprays that can be sprayed directly on the door for insulation.
This is a lot cheaper than buying insulation kits, but they do not last that long. It will last you about one season and you will need quite a lot of it to cover your garage door.
4. Can you add insulation to an insulated garage door?
You can add another layer of insulation if you think the last one is not working properly. But it won’t necessarily make the garage hotter. So, while you can add insulation to an already insulated door, it won’t make much of a difference.
5. Is insulating a garage door worth it?
Yes, it is! You get to enjoy an extra spare room that is free for fun activities or a small quite chill space. With insulation, you can turn your cold and neglected garage into a warm and cozy chill zone. Insulation also helps you save up on your electricity bill as you do not have to use a heater.
Yes, adding an insulation layer to your garage door will help keep the heat out in hot summers. While you can enjoy a warm and cozy evening in your garage without needing a heater, you can also enjoy a cool summer evening.
So, adding an insulation kit to your garage door will come in handy throughout the year. It increases the airflow in your garage. So, things stay fresh and not damp.
7. How do I insulate my garage door to keep the heat out?
You can use foam insulation for this. Cut the foam into strips and attach them to the door. If you follow the right directions you can keep the heat away from your garage without having to spend too much money. You can also get kits that get the job done a lot faster.
8. Why is my insulated garage so hot?
You probably do not have the right kind of insulation kit. Or the insulation kit has not been attached properly to the door. Therefore, air is circulating in the garage making it hot and humid. Change the type of insulation, and your garage shall be fine.
9. How can I make my garage warmer?
The right insulation kit will help keep the temperature in your garage just right. But if you want other options, you can try and add a heater. This will add to your electricity bill, but if you want a warm and toasty night you can spend a little bit more.
Also, try and add insulation to your garage walls as well as the doors. Replace the weather-stripping on the walls and also consider chalking.
With the right insulation kit, you will never have to worry about regulating temperature in your garage. You can keep it as hot or as cool as you want with ease. Surely, you will find the perfect kit for you from our garage door insulation kit reviews. We've tried and added something for everybody.
So what are you waiting for? Go get yourself an insulation kit and enjoy a warm toasty winter night in your garage!