Reflectix 16 in. x 50 ft. Reflective Radiant Barrier Foil Insulation Roll
Best price now
29% under what the other stores charge
Compared across 6 stores. Prices are checked against each store and labelled with when.
29% under what the other stores charge
Compared across 6 stores. Prices are checked against each store and labelled with when.
It checks today's price at every store, compares the alternatives and answers in about a minute.
Reflectix is a double-sided aluminum foil radiant barrier on a bubble core, sold here as a 16 in. x 50 ft. roll covering 67 sq. ft. It blocks radiant heat rather than slowing conductive heat, so it works best stapled under rafters, over attic floor joists or behind walls with an air gap. Reflectix rates it R-3.7 to R-21 depending on how it is installed, and it also acts as a vapor retarder. At $11.17 at eBay as of November 4, 2026, it sits at the low end of its recent range across 6 stores.
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In stockSold by championtvsales
In stockSold by Giving Goods
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Lowest price we've seen: $36.70 on Nov 4 at Max Warehouse. Tracked across 11 stores since Nov 4.
Owners use it mostly in attics and on garage doors and report noticeable heat reduction when it faces an air space. Complaints center on thinness, tearing during install and unrealistic R-value expectations.