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This is a radiant barrier blanket made of double-sided aluminum foil bonded to a bubble core. The foil surfaces reflect radiant heat while the trapped bubbles slow conductive transfer, so it works both to keep summer sun out and to hold warmth in during winter. It is a general-purpose roll for windows, garage doors, RV walls and roof decks, and it competes with single-sided foil and foam-board barriers on flexibility and ease of cutting rather than on R-value. It suits renters, RV owners and garage or attic users who want a light, cut-to-fit layer rather than a permanent build-in.
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Lowest price we've seen: $15.99 on Nov 11 at Amazon. Tracked across 10 stores since Nov 11.
This is a double reflective bubble foil insulation roll that works as a radiant barrier. It is made of reflective aluminum foil on both sides of a bubble-type layer. The reflective surface blocks sunlight and keeps heat out of windows in summer. It also helps limit heat loss in winter.
The foil surface is opaque, so it also adds privacy. The surface is not easily scratched. It can be used on windows, garage doors, RVs, roofs and houses.
The roll is easy to cut to size with a utility knife or scissors. It installs with the 60 self-adhesive pads that come with it, and it can be removed again.
