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Deal.ai › TWCUSEP › Garage Door Hardware
TWCUSEP
Reflective R8 Black Poly-Foam Garage Door Insulation Panel
TWCUSEP

Reflective R8 Black Poly-Foam Garage Door Insulation Panel

1(1 rating)

Best price now

$22.88at WalmartChecked Nov 12

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Price facts

  • Last seen at $22.88 at Walmart on Nov 12.

Our take on the Reflective R8 Black Poly-Foam Garage Door Insulation Panel

This is a 2 ft x 4 ft radiant barrier panel made of two layers of polyethylene bubble wrap bonded between metalized aluminum polyester film, with one side finished in black vinyl. It claims to reflect 97% of radiant heat and emit under 3%, and is Class 1/Class A fire rated per ASTM E84 and ASTM E2599. It suits homeowners who want a lightweight, staple-friendly way to cut radiant heat through a garage door without foam board or a full kit. Against rigid foam panels it is thinner and easier to cut and staple, but it adds little conductive R-value, so it works best as a radiant layer rather than a stand-alone insulator.

Best forGarage doors that get direct sun and radiate heatDIY installs where cutting and stapling matterAdding a radiant layer over an existing doorShed and workshop doors needing a light barrier
Pros
  • Reflects most radiant heat rather than absorbing it
  • Light and easy to cut to fit panels
  • Holds staples without tearing, per the maker
  • Does not compress, collapse or disintegrate
  • Class 1/Class A fire rated with ASTM E84 and E2599 testing
Cons
  • Thin bubble core gives little conductive insulation
  • R8 rating is a radiant claim, not an installed R-value
  • Black vinyl face absorbs some solar heat on the outside
  • Tape and seams need care to keep the barrier continuous

Reflective R8 Black Poly-Foam Garage Door Insulation Panel 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.

    $22.88Free shippingChecked Nov 12
    Visit Walmart

About the Reflective R8 Black Poly-Foam Garage Door Insulation Panel

This garage door insulation panel is a reflective radiant barrier with an R8 rating. It is built from two layers of polyethylene air bubbles bonded between two layers of highly reflective metalized aluminum polyester film. One side has a waterproof black vinyl finish.

The material is lightweight but durable. It holds staples without tearing and 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.

Brand
TWCUSEP
Color
Black
Size
2' x 4'
R-value
R8
Construction
2 layers of polyethylene air bubbles between 2 layers of metalized aluminum polyester film
Finish
Waterproof black vinyl coating on one side
Heat reflection
Reflects 97% of radiant heat; emits less than 3%
Fire rating
Class 1 / Class A; passed ASTM E84 and ASTM E2599
Installation
Holds staples without tearing

Specifications

color
BlackSource
size
2' x 4'Source

Questions and answers

Does this really give R8 insulation?
The R8 figure refers to radiant barrier performance, not the conductive R-value of the thin bubble core. Expect it to block radiant heat, not to insulate like thick foam board.
Can I cut it to fit my garage door panels?
Yes. The bubble core cuts with a utility knife or scissors, and the maker says it holds staples without tearing. Measure each panel and leave room for hinges and hardware.
Which side faces out?
The reflective metalized side faces the heat source and the black vinyl side faces the room. Keep the reflective surface clean and exposed for best results.
Is it safe around a garage door opener or wiring?
It is Class 1/Class A fire rated per ASTM E84. Keep it clear of motors, springs and moving hardware, and do not cover electrical boxes.
How does it compare with rigid foam board?
Rigid foam adds more conductive R-value and is stiffer. This panel is thinner, lighter and easier to staple, so it works better as a radiant layer than as the only insulation.
What comes in the package?
The product is a single 2 ft x 4 ft panel. Staples, tape and other installation materials are not included.
Where is the Reflective R8 Black Poly-Foam Garage Door Insulation Panel cheapest?
At Walmart, for $22.88, as of our latest check.
What do buyers say about the Reflective R8 Black Poly-Foam Garage Door Insulation Panel?
Rated 1 out of 5 from 1 ratings.

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