The 9 Best Garage Door Insulation Kit [Easy Installation]

Cooling down your garage can be as simple as installing a garage door insulation kit. You’ll be able to reduce the temperature in your garage by up to 25 degrees and keep your garage warmer during the winter.

I looked far and wide, and the Matador EP1323054_02 was one of the best garage door insulation kits I could find.

The Reach Barrier 3009 is also a great budget kit if you’re looking to save some cash.

Below you’ll find 9 garage door insulation kits with measurements to find the perfect garage door insulation kit for you.

Top Garage Door Insulation Kits

PRODUCTGARAGE SIZEPRICE
Matador EP1323054_028-9 Foot CHECK PRICE
Reach Barrier 30098x8 Foot CHECK PRICE
NASA TECH White Reflective18x8 Foot CHECK PRICE
US Energy NASATECH18x8 Foot CHECK PRICE
Owens Corning Garage9 Foot CHECK PRICE
NASATECH White8-9 Foot CHECK PRICE
Ant NASA TECH18x8 Foot CHECK PRICE
Reach Barrier 3122Up to 64 sqft CHECK PRICE
Garage Door Seals10-20ft CHECK PRICE

Best Garage Door Insulation Kit

Matador EP1323054_02

Matador EP1323054_02

Specifications:

  • R-Value: R4.8 for 1-1/4” thick panels
  • Dimensions (Panel): 23. 25″ H x 54″ W x 1. 25″
  • Weight: 10 lbs
  • Panels per kit: 8

Overview:

This insulation kit will cool down your garage in less than an hour of installation. You’ll be able to transform your garage from a hot, miserable place to a cool and refreshing relaxation zone.

Use your garage for a workshop, gym, or recreation area during the hot months. You’ll also be able to keep heat inside of your garage during the winter months if you live in a cold area.

The panels come pre-scored for easy and quick installation. You’ll only need a few basic tools to install, no additional tools should be required on your end.

If you plan to cool your garage, garage insulation should be one of your first purchases. It’s a no-brainer that a cooler garage is easier to keep cool and requires less energy to maintain.

This kit is also a great way to seal your garage and reduce the noise coming into your garage.

Included with the Matador EP1323054_02 are 8 high-impact polystyrene laminate panels 23. 25″ H x 54″ W x 1. 25” thick. It fits an 8-9 foot garage. Measure before you purchase.

Pros
  • Cools down garage during summer
  • Keeps heat in during winter
Cons
  • For an 8-9 foot garage

Best Budget Garage Door Insulation Kit

Reach Barrier 3009

Reach Barrier 3009

Specifications:

  • R-Value:  AtticFoil™ works to block radiant heat (97%)
  • Dimensions (Panel): 25 x 13.4 x 13.2 inches
  • Weight: 3.32
  • Panels per kit: 8

Overview:

You can still cool down your garage on a budget. This is a great budget garage insulation kit that comes with 8 25 x 13.4 x 13.2 inches panels.

Instead of thick, white panels, you’ll be installing 2 Layers Of 5/32-Inch Barrier Bubble Laminated Between 2 Layers Of Reflective Polyethylene which reduces the heat inside of your garage.

The acrylic adhesive is heat tested to ensure that you won’t have to do any maintenance over the years. All you have to do is clean your garage door, peel off the back of the Stick’ems adhesive, and push the radiant barriers in place.

The Reach Barrier 3009 provides immense value for a tight budget. You don’t need to suffer any longer or spend a ton of money to insulate your garage door.

Pros
  • Easy to install
  • Great Budget
Cons
  • Doesn’t have an R value

6 More Garage Door Insulation Kits

1. NASA TECH White Reflective Garage Insulation Kit

Specifications:

  • R-Value: R8
  • Dimensions (Panel): 24 x 18 x 17 inches
  • Weight: 10.63 pounds
  • Panels per kit: 8

Overview:

You’ll be able to obtain an R8 R-value with this kit. You’ll be able to reduce the inside of the garage temperature by up to 30 degrees in the summer and utilize your garage during the winter.

Made in the USA, it’s also entirely non-carcinogenic.

Mike, the owner of NASA TECH, provides excellent customer service. Should you need anything, don’t hesitate to give him a call. He’ll even explain how the NASA TECH White Reflective works and how much it’ll cool down your garage.

You shouldn’t have any problem installing this as a solo project, just make sure to measure before to make sure that it will fit. You’ll be able to thoroughly insulate your garage properly after easy installation.

Purchasers mention that they realized more than a 20-degree drop in temperature after installing and they saved on their energy bill.

Pros
  • Amazing customer service
  • Up to 30 degrees colder during the summer
Cons
  • May come in 8 panels rather than 4, be aware before purchasing

2) US Energy NASATECH Garage Door Insulation Kit

US Energy NASATECH Garage Door Insulation Kit

Specifications:

  • R-Value: R8
  • Dimensions (Panel): 23.8 x 19.5 x 16.8 inches
  • Weight: 8.03 lbs
  • Panels per kit: 16

Overview:

Have a big garage door? The US Energy NASA TECH is the perfect garage door insulation kit for large garages.

You’ll be able to apply the 5/16″ (one of the thickest on the market!) foam core with super-duty double-sided foam tape to create an air pocket that gives you up to an R8 r-value insulation.

It’s extremely lightweight and you’ll have no problem installing the pre-cut panels. You won’t need any tools outside of a knife, pencil, and measuring tape. The aesthetic of the US Energy NASA TECH is great, you won’t have any white panels getting dirty over time!

Non-toxic, noncarcinogenic, and non fiberglass to keep you safe.

Purchasers found even HOT states like Texas were no match for this garage door insulation kit.

Pros
  • Perfect for large garage
  • Up to 25 degrees less during the summer
Cons
  • Some reviewers mention their glue came off

3) Owens Corning Garage Door Insulation Kit

Specifications:

  • R-Value: R8
  • Dimensions (Panel): 22 x 54 x 2.25 inches
  • Weight: 11.8 lbs
  • Panels per kit: 8

Overview:

The Owens Corning Garage Door Insulation Kit offers 5 times better thermal performance compared to an uninsulated door. If noise is a problem, Owens claims that you’ll be able to get a 20 percent reduction in noise levels after installation.

Installation should only take you under an hour for a 9-foot door. You will need a knife, tape measure, and marker to get this installed perfectly. Reviewers mentioned that while this kit does a good job, you will need to buy Gorilla Tape otherwise the clips they give you won’t be enough.

You’ll be satisfied with the flexible material that resists denting to keep your investment maintained. Clean the vinyl surface with detergent should they ever get dirty.

Other than needing to purchase additional tape, the Owens Corning Garage seems like another great option to insulate your garage.

Pros
  • Reduces up to 20 percent noise
  • 5 times better thermal performance compared to uninsulated door
Cons
  • You’ll want to buy gorilla tape to install properly

Check Price

4) NASATECH White Garage Door Insulation Kit

NASATECH White Garage Door Insulation Kit

Specifications:

  • R-Value: R8
  • Dimensions (Panel): 25.5 x 15 x 15 inches
  • Weight: 6.59 lbs
  • Panels per kit: 8

Overview:

The NASA TECH White Garage Door Insulation Kit is the perfect solution for a one-car garage. With 8 panels, it’ll fit any garage with the dimensions 8×7, 8×8, 9×7, or 9×8.

Save precious heating costs during the winter and keep cool during the summer.

You’ll be able to reduce the temperature by 8 degrees in the summer, but a few reviewers found that they were able to exceed these expectations.

The material is nontoxic and noncarcinogenic, you’ll be impressed with the very clean look.

Take back your garage during the summer or winter, you won’t have to suffer much longer with the NASA TECH White Garage Door Insulation Kit.

Pros
  • Clean Look
  • Reduces temperature up to 8 degrees
Cons
  • Only for one car garage

5) Ant NASA TECH Garage Door Insulation Kit

Ant NASA TECH Garage Door Insulation Kit

Specifications:

  • R-Value: R8
  • Dimensions (Panel): 25 x 16 x 16 inches
  • Weight: 7.83  lbs
  • Panels per kit: 16

Overview:

The Ant NASA TECH garage door insulation kit was created to fit wide garages. You’ll be able to fit this to a 18ftx8ft garage door with ease.

Purchasers of this product mention that it did take them quite a while to install, up to 3 hours. You’ll want to be prepared if you purchase this as you’ll need to measure and cut each panel.

You won’t be sorry about the customer service that Mike provides at Ant NASA TECH. Call him up with any questions or concerns you have with the information he’ll send you when you purchase this kit.

Pros
  • Perfect for wide and large garages
Cons
  • Can take up to 3 hours to install

6) Reach Barrier 3122 Garage Door Insulation Kit

Reach Barrier 3122 Garage Door Insulation Kit

Specifications:

The Reach Barrier 3122 is one of a kind garage door insulation kit. It’s a DYI kit that’s easily applied that blocks up to 95 percent of heat.

Each kit covers an 8×8 foot garage door which is perfect for a one-door garage. Even if you own a large garage, this product will save you some money over the other garage insulation kits.

You won’t need any special tools. Place the extra strength adhesive pads onto your garage and attach the Reach Barrier 3122 right onto the pads. Boom, you’re finished!

With 4 times the tear resistance of competing brands, this will keep your garage cool as long as possible.

Pros
  • 4 times tear resistance of competing brands
  • Easy to install
Cons
  • Only for 8×8 foot garage

About Roy Cohen

I'm Roy, founder of Hack My Garage. I started out like most not knowing how to hammer a nail, but now I know more than most people about home improvement and DIY. I want to spread my wealth of knowledge with the world and hope to make it a better place.