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Wellco Self-Adhesive Aluminum Foil Reflective Insulation Foam Radiant Barrier

Wellco Self-Adhesive Aluminum Foil Reflective Insulation Foam Radiant Barrier

2· 1 rating

Best price now

$11.88at Home DepotObserved at 3:11 PM

Compared across 2 stores. Prices are checked against each store and labelled with when.

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Our take on the Wellco Self-Adhesive Aluminum Foil Reflective Insulation Foam Radiant Barrier

This is a small self-adhesive roll of aluminum-foil-faced foam, sold as a radiant barrier for roofs, sunrooms, metal buildings and containers. It measures 20 inches wide by 3.33 feet long, 0.2 inch thick, covering about 5.4 square feet. At $11.88 at Home Depot as of November 4, 2026, it is the lowest of the two new prices listed, but the roll is tiny, so cost per square foot is high. Treat it as a patch or small-area material, not a whole-roof solution.

Best forPatching small radiant-barrier gapsBacking a shed, container or sunroom panelSound and moisture damping in tight spotsDIY jobs where peel-and-stick matters
Pros
  • Self-adhesive backing, no separate glue needed
  • Foil face reflects radiant heat
  • Foam core adds a little sound and moisture damping
  • Flexible enough to wrap odd shapes
  • Rated flame retardant by the seller
Cons
  • Only about 5.4 square feet per roll
  • 0.2 inch foam gives little R-value on its own
  • One rating averages 2 out of 5
  • Butyl rubber foam can compress and lose thickness
  • Small roll means buying several for real coverage

Wellco Self-Adhesive Aluminum Foil Reflective Insulation Foam Radiant Barrier prices at every store

  • eBayNew

    In stockSold by sash_5316

    $15.65Free shippingObserved at 3:17 PM
    Visit store
  • Home DepotNew

    Availability unknown

    $11.88Free shippingObserved at 3:11 PM
    Visit store

Wellco Self-Adhesive Aluminum Foil Reflective Insulation Foam Radiant Barrier price history

Lowest price we've seen: $11.88 on Nov 4 at Home Depot. Tracked across 2 stores since Nov 4.

What reviewers say

Reception is thin: a single rating averages 2 out of 5, so there is no reliable pattern of owner feedback.

Pros
  • Adhesive is convenient to apply
Cons
  • Low overall rating from the one buyer who rated it

About the Wellco Self-Adhesive Aluminum Foil Reflective Insulation Foam Radiant Barrier

The material of this product is butyl rubber aluminum foil, which is newly upgraded and thickened and high-density and its anti-oxidation and anti-corrosion effect is good. Its application is more extensive, suitable for roof, Sun room, color steel tile, plant, container and so on. This product has flame retardant, low thermal conductivity, fire is not easy to burn, not easy to melt, not afraid of high and low temperatures, at the same time, sound insulation waterproof Sunscreen, more comprehensive protection.

Specifications

Insulation Type
Radiant Barrier
Sheet Or Roll
Roll
Coverage Area (Sq. Ft.)
5.4 sq ft
Product Length (Ft.)
3.33 ft
Product Thickness (In.)
0.2 in
Product Width (In.)
20 in

Questions and answers

Is this worth it for a whole roof?
No. One roll covers about 5.4 square feet, so a roof would need many rolls and the cost per square foot climbs fast. Use it for patches or small panels.
Does it add real insulation value?
It is a radiant barrier with a 0.2 inch foam core. The foil reflects heat, but the foam adds little R-value, so it supplements insulation rather than replacing it.
Where can it be used?
The seller lists roofs, sunrooms, color steel tile, plants and containers. It is best on flat or gently curved surfaces that stay dry and out of direct weather.
What is in the box?
One roll, 20 inches wide and 3.33 feet long, with peel-off adhesive backing. No tape, fasteners or tools are included.
When is it cheapest?
At $11.88 at Home Depot as of November 4, 2026, it is the lower of the two new prices listed. Check both stores before buying several rolls.
Where is the Wellco Self-Adhesive Aluminum Foil Reflective Insulation Foam Radiant Barrier cheapest?
At Home Depot, for $11.88, as of our latest check.
What do buyers say about the Wellco Self-Adhesive Aluminum Foil Reflective Insulation Foam Radiant Barrier?
Rated 2 out of 5 from 1 ratings.
Where can I buy the Wellco Self-Adhesive Aluminum Foil Reflective Insulation Foam Radiant Barrier?
2 stores we checked sell it, including eBay, Home Depot.

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