Best Garage Door Insulation Updated August 2025

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Best Garage Door Insulation
2025 Buyer's GuideUpdated August 2025
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9.9

1

9.9

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 Ne...
Ease of installation
Quality
Insulator
Appearance
Ease of cutting
Customer service
Picked by 142 people this week!
Picked by 142 people this week!

9.9

1
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 Ne...
Ease of installation
Quality
Insulator
Appearance
Ease of cutting
Customer service

9.8

2

9.8

Reach Barrier 3009 Garage Door Insulation Kit
Ease of installation
Temperature reduction
Works well
Look

9.8

2
Reach Barrier 3009 Garage Door Insulation Kit
Ease of installation
Temperature reduction
Works well
Look

9.6

3

9.6

Owens Corning Garage Door Insulation Kit
Ease of installation
Insulation
Effectiveness
Value for money
Noise level

9.6

3
Owens Corning Garage Door Insulation Kit
Ease of installation
Insulation
Effectiveness
Value for money
Noise level

9.3

4

9.3

INSULATION MARKETPLACE SmartSHIELD -3mm 24inx50Ft ReflectiveINSULATION roll, Foam Core Radiant Barrier, ThermalINSULATION Shiel...
Heat retention
Works well
Ease of installation
Ease of cutting

9.3

4
INSULATION MARKETPLACE SmartSHIELD -3mm 24inx50Ft ReflectiveINSULATION roll, Foam Core Radiant Barrier, ThermalINSULATION Shiel...
Heat retention
Works well
Ease of installation
Ease of cutting

9.0

5

9.0

16P Garage Door Insulation Panels Kit 0.24' Thick Double Bubble Reflective Aluminum Foil Sheet Thermal Insulation Shield 120 Ta...
Ease of installation
Heat retention
Works well
Fit
Quality

9.0

5
16P Garage Door Insulation Panels Kit 0.24' Thick Double Bubble Reflective Aluminum Foil Sheet Thermal Insulation Shield 120 Ta...
Ease of installation
Heat retention
Works well
Fit
Quality

8.9

6

8.9

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 ...
Ease of installation
Quality
Temperature
Look
Cutability

8.9

6
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 ...
Ease of installation
Quality
Temperature
Look
Cutability

8.8

7

8.8

Jin&Bao Universal Garage Door Threshold Seal Strip, Bottom Weather Stripping Replacement Rubber Waterproof 20 FT Length
Ease of installation
Works well
Water retention
Quality
Seal
Fit

8.8

7
Jin&Bao Universal Garage Door Threshold Seal Strip, Bottom Weather Stripping Replacement Rubber Waterproof 20 FT Length
Ease of installation
Works well
Water retention
Quality
Seal
Fit

8.6

8

8.6

US Energy NASATECH (Pre-Cut for 16 Panel) 2 Car Garage Door Reflective Insulation Kit (R8) 1/4 thick w/ New And Improved Super ...
Temperature difference
Ease of installation
Quality
Looks good

8.6

8
US Energy NASATECH (Pre-Cut for 16 Panel) 2 Car Garage Door Reflective Insulation Kit (R8) 1/4 thick w/ New And Improved Super ...
Temperature difference
Ease of installation
Quality
Looks good

8.5

9

8.5

NASATECH White (Pre-cut 8 Panel) 1 Car Garage Door Insulation Foam Kit Energy Star Rated R8 Fits 8x7 8x8 9x7 9x8
Ease of installation
Effectiveness
Insulation
Looks great
Value for money
Kit contents

8.5

9
NASATECH White (Pre-cut 8 Panel) 1 Car Garage Door Insulation Foam Kit Energy Star Rated R8 Fits 8x7 8x8 9x7 9x8
Ease of installation
Effectiveness
Insulation
Looks great
Value for money
Kit contents

8.4

10

8.4

SmartSHIELD -3mm 24"x50Ft Reflective Insulation roll, Foam Core Radiant Barrier, Thermal Insulation Shield, Commercial Grade (2...
Insulating effect
Ease of installation
Functionality
Durability
Value for money
Ease of cutting

8.4

10
SmartSHIELD -3mm 24"x50Ft Reflective Insulation roll, Foam Core Radiant Barrier, Thermal Insulation Shield, Commercial Grade (2...
Insulating effect
Ease of installation
Functionality
Durability
Value for money
Ease of cutting

Our Top Choice

9.9

1

9.9

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 Ne...
Ease of installation
Quality
Insulator
Appearance
Ease of cutting
Customer service
Picked by 142 people this week!
Picked by 142 people this week!

9.9

1
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 Ne...
Ease of installation
Quality
Insulator
Appearance
Ease of cutting
Customer service