
Reflective R8 Black Poly-Foam Garage Door Insulation Panel
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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.
In stockSold by TWCUSEP SUPERSTOREReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
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.





