Homeowners go to great lengths to insulate their abode but often overlook protecting the garage from temperature extremes. By keeping out the heat and cold, a well-insulated garage, including the door, can prolong the life of your car, keeping paint, leather, and plastic surfaces from aging prematurely. While modern insulated doors are available, the majority are constructed of aluminum or wood, with little thought given to insulation. With the addition of proper weather stripping, insulation products aim to minimize the effects of extreme weather and enhance the efficiency of air-conditioned and heated garages. This helps preserve your automotive investment and makes the space a more inviting and comfortable place to spend time performing maintenance or just hanging out.  These reviews focus on insulation panels and bubble foil, though the installation of proper weatherstripping is also advised for maximum efficacy.

 US Energy’s Double Bubble foil uses dual air layers and a metallic finish to reflect 97% of radiant heat. In addition, we appreciate how easy it is to cut into appropriate shapes for application onto your garage door. While it may not have the R-Value of some traditional insulation products, it seals gaps and cracks well, keeping out drafts. Its opaque and reflective nature and thin profile make it an excellent choice for blocking light and heat transmission from windows. 

Reflectix offers a wide variety of insulating bubble rolls in several shapes and sizes, and their 24” x 50’ roll is well-priced and effective at keeping out unwanted heat. While the bubble wrap texture may not appeal to some, its versatility and compatibility with almost any application make it a solid choice. Like the above, it’s easy to work with and cut to shape to fit the back of garage door panels. 

 If price is less of a consideration, US Energy’s NASA TECH reflective foam core offers premium insulation with superior thermal efficiency and a more polished look. The package includes an application kit, offering a fully baked solution for garage door insulation. The application tape is also compatible with both scorching and freezing temperatures. In addition, it provides insulation without affecting door operation when applied according to instructions.

 Reach Barrier’s 3009 offers a practical, all-in-one kit to insulate a typical 8 x 8-foot garage door surface. We consider it the top insulation kit not only because it is pre-cut to fit most garage door panels, but it also offers 95 percent blockage of radiant heat while including everything necessary for installation.

Matador’s insulation kits offer effective insulation with a polished look. More importantly, it uses scored polystyrene laminate panels for an easy installation process that doesn’t require any special tools or messy, odiferous adhesives. Also boosting appeal is its clean, flush, white design and its mechanical wedging system of adhering to garage door panels that ensure a tight fit.

Bestselling Garage Door Insulation on Amazon Sponsored Bestseller No. 1 1,892 Reviews NASA TECH White Reflective Foam Core 2 Car Garage Door Insulation Kit 18FT (WIDE) x 8FT (HIGH) R Value 8.0 Made in USA New and Improved Heavy Duty Double Sided Tape (ALSO FITS 18X7) This Kit Includes: 4 rolls of 2ft x 18ft White/Foil Foam Core Insulation, Heavy Duty Double Sided Tape, Razor, Squeegee, Easy InstructionsMade in the USA / Ships form USA / Meets all US and Intl Fire Codes $118.88 Buy on Amazon Partner Offer Bestseller No. 2 2,458 Reviews Reach Barrier 3009 Garage Door Insulation Kit Reach Barrier(Tm) Reflective Insulation And Bubble Barrier Technology Blocks Up To 95-Percent Of Radiant Heat Which Will Help Save Energy And MoneyPanels Include 2 Layers Of 5/32-Inch Barrier Bubble Laminated Between 2 Layers Of Reflective Polyethylene, Which Will Help Deliver More Consistent R ValuesExceeds New Fire Codes And Requires No Maintenance Easy To Use And Install Pre-Cut Panels Require No Protective Clothing Or Special Tools When Installing $50.48 Buy on Amazon Partner Offer Bestseller No. 3 398 Reviews Ant NASA TECH White Reflective Foam Core 2 Car Garage Door Insulation Kit 18 Ft (Wide) x 8 Ft (HIGH) R Value 8.0 Made in USA New and Improved Heavy Duty Double Sided Tape (Also FITS 18 X 7) White Reflective Foam Core 2 Car Garage Door Insulation Kit 18FT (WIDE) x 8FT (HIGH) R Value 8.0 Made in USA New and Improved Heavy Duty Double Sided Tape (ALSO FITS 18X7) $118.88 Buy on Amazon Partner Offer Bestseller No. 4 250 Reviews NASATECH White (Pre-cut 8 Panel) 1 Car Garage Door Insulation Foam Kit Energy Star Rated R8 Fits 8x7 8x8 9x7 9x8 ONE CAR GARAGE DOOR!!! Creates an air pocket to obtain an R8 value insulation!!! 8ft and 9ft 4 Panels DoorsSaves heating costs in winter, reduces heat loss through the garage!!!Can reduce the inside garage temperature 8 degrees in summer and turn it into a comfortable working $68.88 Buy on Amazon Partner Offer Bestseller No. 5 450 Reviews US Energy NASATECH (Pre-Cut for 16 Panel) 2 Car Garage Door Reflective Insulation Kit (R8) 1/4 thick w/ New And Improved Super Heavy Duty Double Sided Foam Tape Fits 16x7 16x8 18x7 18x8 Garage Doors This is the upgraded 5/16 Foam Core with Super Duty Double Sided Foam Tape Two Car Garage Door kit that Creates an air pocket to obtain an R8 value insulation!!!Light Weight and Easy to install (no impact on garage door performance)Saves heating/cooling costs: (keeps the heat i during winter, keeps the heat out in the summer) $118.88 Buy on Amazon Partner Offer Bestseller No. 6 103 Reviews US Energy Products NASA Tech White Reflective Foam Core Garage Door Insulation Kit (9L x 7H) or (9L x 8H) Single Garage Doors R8 (Upgraded Tape) This Kit Includes: 4 rolls of 9ft x 2ft White/Foil Insulation, Heavy Duty Double Sied Tape, Razor, Squeegee, InstructionsAdd up to 8 and is a great Sound Deadener / Light Weight and very effective / Class 1 Class A Fire rateEasy to Install Instructions $68.88 Buy on Amazon Partner Offer Bestseller No. 7 White Double Garage Door Insulation Weatherization Kit Reflective Foam (not Bubble) 5 Panel 18' x 8' $138.88 Buy on Amazon Partner Offer Bestseller No. 8 3 Reviews NASA TECH White Reflective Foam Core 2 Car Garage Door Insulation Kit 18FT (Wide) x 8FT (HIGH) (5 Rows 20 Panel) R8 Made in USA New and Improved Heavy Duty Double Sided Tape (Also FITS 18X7) Add up to 8 and is a great Sound Deadener / Light Weight and very effective / Class 1 Class A Fire rateThis Kit Includes: 5 rolls of 2ft x 18ft White/Foil Foam Core Insulation, Heavy Duty Double Sided Tape, Razor, Squeegee, Easy InstructionsMade in the USA / Ships form USA / Meets all US and Intl Fire Codes $138.88 Buy on Amazon Partner Offer Bestseller No. 9 638 Reviews 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) NASA Tech White Reflective Foam Core 2 Car Garage Door Insulation Kit 16FT (WIDE) x 8FT (HIGH) R Value 7.5 Made in USA New and Improved Heavy Duty Double Sided Tape (ALSO FITS 16X7) Increaes R Value Up to 8.Increaes R Value Up to 8 / Sound Reduction Technology.Made In USA / Super Fast Shipping / Ships Same Day. $118.88 Buy on Amazon Partner Offer Bestseller No. 10 37 Reviews US Energy Products 2 Garage Door Insulation Kit (5 Panel) for Double 16x7 or 16x8 Garage Doors with 5 Horizontal Panels NASA Tech Reflective White Foam Core Garage Door Insulation Kit 16L x 8H 5 panel16x8 Reflective Foam Core White Vinyl FinishTwo layers of highly reflective radiant barrier foil. $138.88 Buy on Amazon Partner Offer

We considered widely available products to feature the best garage door insulators while evaluating insulation effectiveness, ease of installation, and value. We also considered a broad range of end-user ratings and evaluations by multiple testers, including Forbes Wheels staff members,  and weighed them with user expectations and concerns.

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