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Reflectix BP24025 is a 24-inch by 25-foot roll of double reflective insulation: two outer layers of aluminum foil bonded to polyethylene around two inner layers of bubble pack. It is fiber-free, lightweight and cuts with scissors or a utility knife, so it suits crawl spaces, attics, walls, metal buildings and post-and-frame structures. Reflectix rates it up to R21, but that figure depends on the air space it faces, so the installed performance is lower than the number suggests. At $29.98 at WoodArtSupply as of November 4, 2026, it is the best new price among the 3 stores that stock it.
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Lowest price we've seen: $29.98 on Nov 4 at WoodArtSupply. Tracked across 3 stores since Nov 4.
Owners of this type of Reflectix roll generally report quick, clean installs in attics, crawl spaces and outbuildings and like that it does not itch. The common complaint is that the advertised R-value overstates real-world performance unless it is installed with an air gap.
Brand: ReflectixEdition: INSULATIONFeatures: Reflective insulation for use in a crawl space, attic, wall, metal buildings and post and frame structures Fiber free, environmentally safe, easy to install and lightweight Made up of seven layers, two outer layers of aluminum foil reflect most of the heat which hits them Ea
