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This is a 2x10 ft roll of reflective foil insulation: two layers of polyethylene bubble wrap bonded between two layers of metalized aluminum polyester film. It reflects about 97% of radiant heat, resists tearing when stapled, and carries a Class 1/Class A fire rating from ASTM E84 testing. It suits RV skirting, trailer and deck undersides, garage doors, and attic radiant barriers. It is a radiant barrier, not a mass insulator, so it blocks heat transfer across a gap rather than filling a wall cavity the way fiberglass batts do.
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: $15.99 on Nov 11 at Amazon. Tracked across 1 store since Nov 11.
Two layers of polyethylene industrialized air bubbles bonded between two layers of highly reflective metalized aluminum polyester film. Industrialized strength, lightweight yet durable insulation designed to hold staples without tearing. Does not compress, collapse or disintegrate. Reflects 97% of radiant heat, emits less than 3% of heat, Class 1 / Class A fire rated radiant barrier that has passed the ASTM E84 test & ASTM E2599.
