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Reflective Aluminum Foil Insulation Kit 16 Panels 6mm 16x8ft with Tape

Reflective Aluminum Foil Insulation Kit 16 Panels 6mm 16x8ft with Tape

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$152.27at WalmartObserved at 3:10 PM

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Our take on the Reflective Aluminum Foil Insulation Kit 16 Panels 6mm 16x8ft with Tape

This is a kit of 16 reflective aluminum foil panels, each 6 mm thick and 16 by 8 feet, with tape included. It works as a radiant barrier: the foil reflects heat rather than slowing it like foam or fiberglass, so it suits garages, doors and windows. The listing calls the thickness 1 inch, which conflicts with the 6 mm in the product name, so confirm the actual thickness before buying. At $152.27 at Walmart as of November 4, 2026, it is the only new price on record, so there is no recent range to judge it against.

Best forGarage doors and ceilings that get sun-bakedWindows and doors needing a quick heat-reflecting layerDIY radiant barrier projects where tape is needed
Pros
  • Reflects radiant heat instead of absorbing it
  • 16 panels cover a lot of surface for one kit
  • Tape included, so no separate purchase
  • Thin foil panels are light and easy to cut
  • Works on garage, door and window surfaces
Cons
  • Radiant barriers do little against conducted or convected heat alone
  • Foil alone has no meaningful R-value without an air gap
  • Thickness is listed as both 6 mm and 1 inch
  • Only one store prices it new, so comparison is limited
  • Foil surfaces tear and crease if handled roughly

Reflective Aluminum Foil Insulation Kit 16 Panels 6mm 16x8ft with Tape prices at every store

  • WalmartNew

    In stockSold by Seller

    $152.27Observed at 3:10 PM
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Reflective Aluminum Foil Insulation Kit 16 Panels 6mm 16x8ft with Tape price history

Lowest price we've seen: $152.27 on Nov 4 at Walmart. Tracked across 1 store since Nov 4.

Specifications

Insulation Type
Radiant Barrier Insulation
Insulation Thickness
1 in
Recommended Use
Garage, Door, Window
Rec Location
Window
Product Net Content Parent
1 Each

Questions and answers

Is this kit worth it for a garage?
For a hot garage door or ceiling that faces the sun, a radiant barrier cuts some of the heat coming through. It will not cool the space like added insulation with an R-value. Pair it with an air gap for best results.
Is it 6 mm or 1 inch thick?
The name says 6 mm and the specs say 1 inch. Those are very different, so confirm the thickness with the seller before ordering. The foil layer is what reflects heat either way.
How much area do 16 panels cover?
Each panel is 16 by 8 feet, or 128 square feet, so 16 panels cover about 2,048 square feet in total. That is plenty for a typical garage door and then some.
Does it need an air gap to work?
Yes. A radiant barrier performs best with a clear air space between the foil and the hot surface. Stapling it flat against a wall or door reduces its benefit.
What is in the box?
The kit includes 16 foil panels and tape for joining and sealing seams. Check whether fasteners such as staples or caps are included, since the listing does not say.
When is the price lowest?
Only one store lists it new at $152.27 as of November 4, 2026, so there is no price history to time a purchase against. Compare against buying foil rolls and tape separately.
Where is the Reflective Aluminum Foil Insulation Kit 16 Panels 6mm 16x8ft with Tape cheapest?
At Walmart, for $152.27, as of our latest check.