Self Adhesive Aluminum Foil Radiant Barrier Roll
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$11.80at Home DepotChecked 1 h ago
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This is a peel-and-stick insulation roll: a square-pattern aluminum face bonded to a 30 mm closed-cell rubber foam core. It reflects radiant heat and damps sound, and the B1 flame-retardant rating is aimed at engine bays and other hot surfaces. It is a DIY material, not a finished panel, so it suits attic joists, garage doors, car hoods and studio walls where you can cut and press sheets into place. Against thin foil-only barriers it adds real thickness and vibration damping; against purpose-made automotive heat shields it is bulkier and less molded to specific parts.
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Lowest price we've seen: $10.78 on Nov 14 at Home Depot; highest $898.95 on Nov 4; $11.80 now. Tracked across 3 stores since Nov 4.
This self-adhesive insulation roll combines a shiny aluminum foil face with a 30 mm closed-cell rubber foam core. It works as both a heat shield and a sound blocker. The square-pattern foil face reflects sunlight and stops UV rays, and the foam core blocks heat transfer.
The back has peel-and-stick adhesive. Peel off the film, press the foam against the surface, and trim the edges with regular shears to fit any shape. It can be used over attic joists, garage doors, car hoods and studio walls, in homes, cars and workshops.
The dense rubber foam absorbs road vibration and door thumps. The sheets are moisture proof, and the material carries a B1 flame retardant rating for use near motor heat.