Is this roll big enough for an attic?

No. At 12 inches by 3 feet it covers about 3 square feet, enough for a duct wrap, a water heater or a patch. An attic needs many rolls or a wider, longer product.

Does it replace fiberglass insulation?

No. It is a radiant barrier that blocks heat radiation, not a bulk insulator. It works best over existing insulation or as a wrap, and it has little R-value by itself.

Do I need gloves or a mask to install it?

No. It is fiber-free and non-toxic, so no protective clothing or respirator is required. A utility knife or scissors and a staple gun are enough.

Can it get wet or be used outdoors?

It resists moisture and humidity and does not promote mold or mildew, but it is meant for sheltered spaces like attics, crawl spaces and garages. Keep it out of direct rain and standing water.

Yes. It is a Class 1/Class A radiant barrier that passed ASTM E84 and ASTM E2599, and the maker says it meets US and international fire codes.

When is the best time to buy?

Insulation prices are fairly steady, but fall and early winter, when people prep for cold, tend to bring the most promotions. The only new price listed is $7.57 at Walmart as of November 4, 2026.

TWCUSEP

Continuous Double Foil Insulation Reflective Bubble Roll

4.3

Best price now

$7.57at WalmartObserved at 3:05 PM

Prices are checked against each store and labelled with when.

Visit Walmart

TWCUSEP

Continuous Double Foil Insulation Reflective Bubble Roll

4.3

Best price now

$7.57at WalmartObserved at 3:05 PM

Prices are checked against each store and labelled with when.

Visit Walmart

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Our take on the Continuous Double Foil Insulation Reflective Bubble Roll

This is a 12-inch by 3-foot roll of double-bubble radiant barrier: two layers of air bubbles sandwiched between metalized aluminum foil. It reflects about 97% of radiant heat and is Class 1/Class A fire rated per ASTM E84, and it cuts with scissors or a utility knife and staples, nails or glues in place. The size is small, so it suits patching, wrapping ducts or pipes, and small garage or shed jobs rather than insulating a whole attic. At $7.57 at Walmart as of November 4, 2026, it is the only new price listed, so there is no recent range to compare against.

Best forPatching or wrapping ducts, pipes and water heatersGarage doors, sheds and crawl space spot fixesDIYers who want no fiberglass itch or protective gearRental and quick retrofit jobs

Pros

Reflects about 97% of radiant heat
Class 1/Class A fire rated (ASTM E84, ASTM E2599)
Fiber-free and non-toxic; no mask or gloves needed
Cuts with scissors or a utility knife and holds staples
Resists moisture, mold and mildew; does not host rodents

Cons

12 in x 3 ft is only 3 square feet, so a small job at best
Radiant barrier only; little R-value on its own
Foil surface tears and creases if handled roughly
Not a substitute for fiberglass or foam in cold climates

Continuous Double Foil Insulation Reflective Bubble Roll prices at every store

WalmartNew
In stockSold by TWCUSEP SUPERSTORE
$7.57+ $6.99 shippingObserved at 3:05 PM
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Also available at

WalmartCheck price at Walmart

Continuous Double Foil Insulation Reflective Bubble Roll price history

Lowest price we've seen: $7.57 on Nov 4 at Walmart. Tracked across 1 store since Nov 4.

What reviewers say

With 15 ratings averaging 4.3 out of 5, buyers mostly report it does what a small foil bubble roll should: easy to cut, staple and fit.

Pros

Easy to cut and install
Holds staples without tearing
Works well for small duct and pipe wraps

Cons

Roll is smaller than some buyers expect
Thin and easy to crease

About the Continuous Double Foil Insulation Reflective Bubble Roll

Two layers of polyethylene industrialized air bubbles bonded between two layers of highly reflective metalized aluminum polyester film. Industrialized strength, lightweight yet durable insulation designed to hold staples without tearing. Does not compress, collapse or disintegrate. Reflects 97% of radiant heat, emits less than 3% of heat, Class 1 / Class A fire rated radiant barrier that has passed the ASTM E84 test & ASTM E2599. Non-toxic, non-carcinogenic, fiber-free, safe to handle and does not require protective clothing or respirators to install. Easy to install and maintenance free, cuts easily with utility knife or scissors and installs easier than fiberglass. Simply staple, nail or glue into place! No mess, and no itchy fibers! Not affected by moisture or humidity. Inhibits condensation and does not promote the growth of fungi, mold or mildew. Does not promote nesting of insects or rodents. Saves energy by reducing the stress on heating and cooling systems, keeping your home warmer in the winter, and cooler in the summer. It can reduce utility bills substantially all year round. Made in USA / Ships from USA / Meets all Intl and USA Fire Codes 12INCH X 3FT

Specifications

color: SilverSource
size: 12INCH X 3FTSource
Type: Reflective Type
Reflective Type: Radiant Barrier

Questions and answers

Is this roll big enough for an attic?: No. At 12 inches by 3 feet it covers about 3 square feet, enough for a duct wrap, a water heater or a patch. An attic needs many rolls or a wider, longer product.
Does it replace fiberglass insulation?: No. It is a radiant barrier that blocks heat radiation, not a bulk insulator. It works best over existing insulation or as a wrap, and it has little R-value by itself.
Do I need gloves or a mask to install it?: No. It is fiber-free and non-toxic, so no protective clothing or respirator is required. A utility knife or scissors and a staple gun are enough.
Can it get wet or be used outdoors?: It resists moisture and humidity and does not promote mold or mildew, but it is meant for sheltered spaces like attics, crawl spaces and garages. Keep it out of direct rain and standing water.
Is it fire rated?: Yes. It is a Class 1/Class A radiant barrier that passed ASTM E84 and ASTM E2599, and the maker says it meets US and international fire codes.
When is the best time to buy?: Insulation prices are fairly steady, but fall and early winter, when people prep for cold, tend to bring the most promotions. The only new price listed is $7.57 at Walmart as of November 4, 2026.
Where is the Continuous Double Foil Insulation Reflective Bubble Roll cheapest?: At Walmart, for $7.57, as of our latest check.
What do buyers say about the Continuous Double Foil Insulation Reflective Bubble Roll?: Rated 4.3 out of 5 from 15 ratings.