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Deal.ai › Attic Insulation
Aihimol
Double-Sided Reflective Bubble Foil Insulation Foam With Fixing Ring, Aluminum Foil Thermal Insulation Radiant Barrier For Window, Garage Door, Rv, Roof
Aihimol

Double-Sided Reflective Bubble Foil Insulation Foam With Fixing Ring, Aluminum Foil Thermal Insulation Radiant Barrier For Window, Garage Door, Rv, Roof

2.5(2 ratings)

Best price now

$5.39at WalmartChecked 1 h ago

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Price facts

  • Lowest price today: $5.39 at Walmart (checked Nov 15, 2026).

Our take on the Double-Sided Reflective Bubble Foil Insulation Foam With Fixing Ring, Aluminum Foil Thermal Insulation Radiant Barrier For Window, Garage Door, Rv, Roof

A 100 x 30 cm roll of XPE foam faced with aluminum foil on both sides, sold with fixing rings. It works as a radiant barrier: the foil reflects heat back rather than absorbing it, so it is used behind radiators, on windows, garage doors, RV walls and roofs. It is thin and light, so it blocks radiant heat and glare but adds almost no R-value compared with rigid foam board or mineral wool. Buyers use it as a cheap, removable layer for renters and seasonal spaces, not as a substitute for real insulation.

Best forRenters who cannot add permanent insulationRV, van and garage windowsSunrooms and patios that overheatQuick removable window shade
Pros
  • Foil on both faces reflects radiant heat either way
  • Light and thin, so it hangs on glass with the rings
  • Watertight and oil-proof surface wipes clean
  • Cuts with scissors to fit odd window and door shapes
  • Removable, unlike glued film or foam board
Cons
  • Very thin XPE gives little conductive insulation
  • Single 100 x 30 cm piece covers a small area
  • Foil creases and can tear at the ring holes
  • No adhesive backing; relies on the rings or tape

Double-Sided Reflective Bubble Foil Insulation Foam With Fixing Ring, Aluminum Foil Thermal Insulation Radiant Barrier For Window, Garage Door, Rv, Roof prices at every store

  • WalmartNew

    In stockSold by Rojia ClearanceGDReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.

    $5.39+ $1.99 shippingChecked 1 h ago
    Visit Walmart

About the Double-Sided Reflective Bubble Foil Insulation Foam With Fixing Ring, Aluminum Foil Thermal Insulation Radiant Barrier For Window, Garage Door, Rv, Roof

This is a double-sided reflective insulation film made of aluminum foil and XPE foam. It is a thermal barrier for windows, garage doors, RVs, roofs, sunrooms, patios and canopies. It is double-layered and thickened, with reinforced edges.

The surface is watertight and oil-proof, so it is easy to clean. The film also blocks the view through the glass for privacy. Metal eyelets with suction cups let you fix it to glass and remove it again.

Material
XPE with aluminum foil
Color
Silver
Product size
100 x 30 cm (39.37 x 11.81 in)
Packing size
30 x 10 x 10 cm (11.81 x 3.94 x 3.94 in)
Weight
100 g (0.22 lb) net and gross
Mounting
Metal eyelets with suction cups
Use areas
Windows, garage doors, RVs, roofs, sunrooms, patios, canopies, balconies, pergolas, porch fences
In the box
1 x sunscreen film

Specifications

color
SilverSource
size
Free SizeSource
actual_color
GreenSource

Questions and answers

Does this actually insulate a window?
It reflects radiant heat and blocks light, which helps against sun gain and cold drafts near glass. It does not add meaningful R-value, so it will not warm a room like foam board or a second pane.
How much area does one roll cover?
One piece measures 100 x 30 cm, about 0.3 square meters. A standard window needs several pieces or a larger roll.
Can I cut it to size?
Yes. It cuts with household scissors, and the foil edges can be trimmed around the fixing rings.
Will it stay on glass?
It is held by the metal eyelets and suction cups, or by tape. The surface is smooth and light, but suction cups can release on very cold or dirty glass.
Is it safe near heat sources?
Keep it off hot surfaces such as stove tops, heaters and flues. The foil reflects heat and the foam core is not rated for open flame.
Can it be used outside?
It is watertight, so it suits garage doors, canopies and RV exteriors. Wind will pull at the ring holes, so fix the edges as well.
Where is the Double-Sided Reflective Bubble Foil Insulation Foam With Fixing Ring, Aluminum Foil Thermal Insulation Radiant Barrier For Window, Garage Door, Rv, Roof cheapest?
At Walmart, for $5.39, as of our latest check.
What do buyers say about the Double-Sided Reflective Bubble Foil Insulation Foam With Fixing Ring, Aluminum Foil Thermal Insulation Radiant Barrier For Window, Garage Door, Rv, Roof?
Rated 2.5 out of 5 from 2 ratings.

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