Does this actually insulate a garage door?

It works mainly as a radiant barrier, reflecting heat rather than blocking conducted heat. It helps most on sun-facing doors in warm climates. In cold climates it is a supplement, not a replacement, for thicker insulation.

How do I install it on a garage door?

Cut panels to fit between the door's horizontal rails and press them in, then staple or tape the edges. The foam holds staples without tearing, and the vinyl face can be wiped clean.

Yes. It is listed as a Class 1 / Class A radiant barrier that passed ASTM E84 and ASTM E2599 testing.

Can it be used on walls or attics too?

The same foam-faced roll material is commonly used in attics, crawl spaces and metal buildings as a radiant barrier. For a garage door, cut it to the panel size.

Does it come in a kit with tape or fasteners?

It is sold as 2 ft by 4 ft panels of the insulation itself. Plan on buying your own staples, tape or adhesive for the seams.

TWCUSEP

NASATEK White Reflective Foam Core Garage Door Roll Insulation

Best price now

$9.88at WalmartChecked Nov 12

Prices are checked against each store and labelled with when.

Visit Walmart

TWCUSEP

NASATEK White Reflective Foam Core Garage Door Roll Insulation

Best price now

$9.88at WalmartChecked Nov 12

Prices are checked against each store and labelled with when.

Visit Walmart

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Price facts

Last seen at $9.88 at Walmart on Nov 12.

Our take on the NASATEK White Reflective Foam Core Garage Door Roll Insulation

This is a 2 ft by 4 ft panel of closed-cell foam faced with metalized film on one side and white vinyl on the other, sold as a roll-in panel for garage doors. It reflects up to 97% of radiant heat and carries a Class 1 / Class A fire rating from ASTM E84 testing. It suits homeowners who want a lightweight, staple-friendly barrier for a hot or cold garage door and who plan to cut and fit panels themselves. Against fiberglass batts it is thinner and easier to handle, but it is a radiant barrier first, so it adds little bulk R-value compared with thick foam board or batt insulation.

Best forDIY garage door insulation on a budgetHot climates fighting radiant heat through the doorRenters or homeowners who want a removable barrierDoors where staples and tape are the only fastening option

Pros

Reflects up to 97% of radiant heat
Closed-cell foam resists compression and tearing
Holds staples without ripping
Lightweight and easy to cut to door panels
Class 1 / Class A fire rated to ASTM E84

Cons

Thin foam adds little conductive R-value
White vinyl face shows dirt and scuffs
Needs careful taping at seams to work well
Not a substitute for batt or rigid board insulation in cold climates

NASATEK White Reflective Foam Core Garage Door Roll Insulation prices at every store

WalmartNew
In stockSold by TWCUSEP SUPERSTOREReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
$9.88Free shippingChecked Nov 12
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About the NASATEK White Reflective Foam Core Garage Door Roll Insulation

This garage door roll insulation has a closed-cell foam core bonded between two facings. One facing is highly reflective metalized aluminum polyester film. The other is durable textured white vinyl.

The material is lightweight and built to hold staples without tearing. It does not compress, collapse or disintegrate.

It reflects 97% of radiant heat and emits less than 3%. It is a Class 1 / Class A fire rated radiant barrier that has passed the ASTM E84 and ASTM E2599 tests.

Color: White
Size: 2' x 4'
Core: One layer of closed-cell foam
Facings: Metalized aluminum polyester film on one side, textured white vinyl on the other
Heat reflection: Reflects 97% of radiant heat; emits less than 3%
Fire rating: Class 1 / Class A; passed ASTM E84 and ASTM E2599
Brand: TWCUSEP

Specifications

color: WhiteSource
size: 2' x 4'Source

Questions and answers

Does this actually insulate a garage door?: It works mainly as a radiant barrier, reflecting heat rather than blocking conducted heat. It helps most on sun-facing doors in warm climates. In cold climates it is a supplement, not a replacement, for thicker insulation.
How do I install it on a garage door?: Cut panels to fit between the door's horizontal rails and press them in, then staple or tape the edges. The foam holds staples without tearing, and the vinyl face can be wiped clean.
Is it fire rated?: Yes. It is listed as a Class 1 / Class A radiant barrier that passed ASTM E84 and ASTM E2599 testing.
Can it be used on walls or attics too?: The same foam-faced roll material is commonly used in attics, crawl spaces and metal buildings as a radiant barrier. For a garage door, cut it to the panel size.
Does it come in a kit with tape or fasteners?: It is sold as 2 ft by 4 ft panels of the insulation itself. Plan on buying your own staples, tape or adhesive for the seams.
Where is the NASATEK White Reflective Foam Core Garage Door Roll Insulation cheapest?: At Walmart, for $9.88, as of our latest check.