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This is a reflective radiant barrier: two layers of polyethylene air bubbles bonded between two layers of metalized aluminum polyester film. It reflects about 97% of radiant heat and emits less than 3%, and it is Class 1/Class A fire rated per ASTM E84 and ASTM E2599. It holds staples without tearing and does not compress or collapse, which suits attic walls, rafters and joist bays. It is a radiant barrier, not a bulk insulator, so it works best paired with other insulation rather than as a stand-alone R-value substitute.
In stockSold by TWCUSEP SUPERSTOREReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
Availability unknown
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Lowest price we've seen: $22.56 on Nov 12 at Amazon. Tracked across 1 store since Nov 12.
Owners of reflective bubble insulation like this generally report it goes up fast with a staple gun and cuts cleanly. Most praise its radiant heat reflection in attics and shops. Some note it is not a substitute for fiberglass or foam in cold climates.
This reflective bubble roll insulation is built from two layers of polyethylene air bubbles bonded between two layers of highly reflective metalized aluminum polyester film. It is lightweight and durable, and it holds 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.
