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Radiant Barrier Insulation Roll RadiantGUARD Xtreme Heavy Duty Reinforced Attic Foil Insulation 1000 sq ft | 48-inch by 250-feet Perforated Breathable Reflective Insulation Roll

4.7 4.7 out of 5 stars 506 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Weatherproofing Window Insulation Kits by RadiantGUARD

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Material METALIZED ALUMINUM FILM radiant barrier with 95% reflectivity
Brand RadiantGUARD
Item Thickness 6.5 Millimeters
Product Dimensions 48"L x 6"W

About this item

  • #1 Reason to Choose RadiantGUARD Xtreme - VERIFIED QUALITY - Meets & Exceeds ASTM C1313 Radiant Barrier Certification by passing all internationally required compliance testing including surface emittance, water vapor transmission, surface burning characteristics, corrosivity, tear resistance, and adhesive performance resulting in a superior Class A / Class 1 fire rated building product that satisfies local, state and federal building codes. Summary certification shown in product photos.
  • Drop attic temps by 30 degrees and lower utility bills year round. Commercial grade - 28 lbs (2-3X heavier than some competitors) highly reflective radiant barrier attic foil BLOCKs 95% of radiant heat gain and loss keeping home temps consistent.
  • DIY install by stapling to the underside of attic roof rafters with staple gun. Don't forget to also install on all vertical exterior walls in attic (gable walls) to get complete coverage between indoor attic area and outdoors.
  • Industrialized strength perforated radiant barrier attic insulation is tear and puncture proof. Entire roll cuts easily with utility scissors or hack saw.
  • Non-toxic, non-carcinogenic, fiber free and maintenance free and DOES NOT REQUIRE any special clothing or breathing masks to install unlike spray foam and reflective radiant barrier paint.
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Customer ratings by feature

Durability
4.7 4.7
Value for money
4.7 4.7
Maneuverability
4.6 4.6
Easy to install
4.6 4.6

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$164.00
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Sold by Impresa Products and ships from Amazon Fulfillment.
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Radiant Barrier Insulation Roll RadiantGUARD Xtreme Heavy Duty Reinforced Attic Foil Insulation 1000 sq ft | 48-inch by 250-feet Perforated Breathable Reflective Insulation Roll
RadiantGUARD Radiant Barrier Insulation Roll Xtreme Heavy Duty Reinforced Attic Foil Insulation 1000 sq ft | 48-inch by 250-feet Perforated Breathable Reflective Insulation Roll
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Price-13% $164.00
List:$189.00
$87.95$84.88$199.95$135.88-5% $31.29
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Get it Apr 2 - 5
Get it as soon as Sunday, Mar 31
Get it Mar 29 - Apr 2
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Customer Ratings
Easy to install
4.6
4.6
4.6
4.6
Easy to use
4.6
4.7
4.6
4.5
Adhesion
4.6
5.0
4.5
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Radiant Barrier Insulation Roll RadiantGUARD Xtreme Heavy Duty Reinforced Attic Foil Insulation 1000 sq ft | 48-inch by 250-feet Perforated Breathable Reflective Insulation Roll


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Product Description

RADIANTGUARD RADIANT BARRIER & REFLECTIVE INSULATIONS

RadiantGUARD radiant barrier

RADIANTGUARD XTREME TECHNICAL SPECIFICATIONS

  • is a double-sided, industrialized reinforced metalized aluminum radiant barrier,
  • 6.5 mils in thickness (6.5 thousandths of an inch / .0065 inches) weighing 32 pounds per 1,000 square feet,
  • highly reflective blocking 95% of the radiant heat,
  • class A / class 1 fire rated,
  • includes an industrialized woven scrim middle layer for puncture and tear resistance making it nearly impossible to tear while easily cut with scissors or utility knife,
  • will not crack, delaminate, or corrode under normal intended use,
  • lightweight, easy to install and maintenance free and not affected by humidity,
  • non-toxic, on-carcinogenic, fiber-free,
  • does not support nesting by rodents or pests.

radiant barrier installed to roof rafters

RADIANT BARRIER INSULATION IN YOUR ATTIC

RadiantGUARD radiant barriers can be used in many applications to control the transfer of heat. It's most commonly installed in the attic space to block the transfer of summer heat gain into the living spaces below the attic but is also installed in crawl spaces, flooring, as house wraps and in many other applications. By lowering the amount of heat that enters and exits a home, the home is more comfortable and heating and air conditioning units runs less often resulting in lower monthly utility bills.

aluminum foil protecting chocolate

HOW RADIANT BARRIER WORKS

TRADITIONAL INSULATION VS. RADIANT BARRIER

Traditional insulations like blown-in cellulose or fiberglass batt insulations only absorb and slow down the movement of heat. RadiantGUARD Xtreme reflects 95% of the radiant heat away. Using two common properties of aluminum, HIGH reflectivity and LOW emmissivity, RadiantGUARD radiant barriers are much more effective at blocking radiant heat.

REFLECTIVITY & EMISSIVITY & AIR SPACES

When an air space exists between our Xtreme radiant barrier and a heat source, it will REFLECT 95% of the heat back towards the heat source. When an air space exists on the opposite side of the Xtreme from the heat source, it will EMIT (release) ONLY 5% of the heat from its surface. Therefore, as long as the Xtreme radiant barrier is installed with an air space on at least one side, it will BLOCK 95% of the radiant heat from passing through it making it FAR SUPERIOR than another other insulation product at managing radiant heat.

Thermal Image Comparisons Before - After - And Next to Radiant Paint

radiant barrier cutout

thermal image of radiant barrier cutout

Radiant barrier compared to radiant paint

SEEING IS BELIEVING

The best way to show the benefits of RadiantGUARD stapled to the underside of a roof is to compare the actual temperature of the surface of the radiant barrier with the temperature of a section of the roof decking without the radiant barrier.

This image above was taken on a 90 degree sunny day with a standard 35mm camera. It shows the underside of a roof covered with RadiantGUARD and a 20-inch by 20-inch cutout exposing the bare roof decking material above it.

The next image to the right shows the surface temperature readings.

30 DEGREE TEMPERATURE DIFFERENCE

In this image taken with a FLIR i7 infrared camera, you can see the various surface temperature readings. The temperature readings of the RadiantGUARD (purple area) average approximately 100 degrees. The temperature readings of the exposed roof decking (yellow-orange area) average approximately 130 degrees - 30 degrees hotter than the surface of the RadiantGUARD.

As seen in this example, the RadiantGUARD radiant barrier is 30 degrees COOLER than the section of the roof without the radiant barrier. This significant reduction in heat in the attic space gives you a much more comfortable home with less use of air conditioning in summer months.

RADIANTGUARD OUTPERFORMS REFLECTIVE PAINTS

  • RadiantGUARD radiant barrer (purple area),
  • bare roof decking (left orange square)
  • reflective paint (right orange-red square)

As seen, the best reflective paint product doesn't come close to the heat blocking benefit that RadiantGUARD provides. In fact, the reflective paint is barely better than the bare roof decking with out it.

RadiantGUARD Xtreme BLOCKs 95% of the radiant heat that enters an attic space. Protect your energy costs with RadiantGUARD.

Customer reviews

4.7 out of 5 stars
4.7 out of 5
506 global ratings

Customers say

Customers like the ease of installation with the insulation. They mention that it's easy to handle and install, and holds its shape well. They also appreciate the quality, durability, and cooling of the product. They say it works well, and does not stretch or tear easily. Customers also mention that the material is very thick and has some body.

AI-generated from the text of customer reviews

45 customers mention39 positive6 negative

Customers find the insulation easy to handle and install. They mention it holds its shape well, is super strong, and easy to hang. Some say the material is easy to work with and you can cut it with scissors.

"...The material is very tough and easy enough to handle...." Read more

"...First: The installation was easy and can be done by one person, but two people makes it go faster...." Read more

"Great product, very easy to install and not easily torn." Read more

"This radiant barriers was easy to work with. No problem in laying it over insulation...." Read more

44 customers mention44 positive0 negative

Customers are satisfied with the quality of the insulation. They mention that it really works, is easy to handle, and extremely hardy. The results are obvious, and it's very useful. The product is affordable and makes a tremendous difference.

"...I got the first piece in place. What a relief. The kitty thinks it's sparkly, and it looks like a disco. We need some better music...." Read more

"...I think this will pay for itself in one season. Incredible product - just bought more to do my son's homes...." Read more

"Great product, very easy to install and not easily torn." Read more

"...installed in our attic about 10 or 12 years ago and it makes a tremendous difference!..." Read more

40 customers mention35 positive5 negative

Customers like the durability of the insulation. They say it's very durable, and won't tear easily. They also say it looks to be of good quality, and is easy to install. Customers also mention that it arrived in great condition.

"...If I didn't get it just right, the stuff doesn't tear easily, but with a little effort I could rip it off of the staples and reposition...." Read more

"...It's very durable and tear resistant, thicker than you're probably imagining...." Read more

"...The material is extremely durable and pulled taught while stapling without concerns...." Read more

"Great product, very easy to install and not easily torn." Read more

29 customers mention29 positive0 negative

Customers are satisfied with the cooling capabilities of the insulation. They mention that it helps keep the heat out of their attic, saves heat in winter, and maintains the coolness in their house in the hot summer. Some say that it reflects body heat back at them when they're laying underneath it, making working near the ceiling much cooler. Overall, most are happy with the product's cooling capabilities.

"...I can say it certainly reflects body heat back at you when you're laying underneath it in an attic." Read more

"...With the barrier in place, the temperature noticeably dropped. the attic no longer hit 120 degrees and stayed below 100 degrees in the summer...." Read more

"...I could already tell the difference. It made a big improvement in deflecting the heat from direct sunlight." Read more

"Easy to handle and install. Cooling my upper story substantially." Read more

17 customers mention14 positive3 negative

Customers like the material of the insulation. They say it's like very thick aluminum foil, but also with a plastic-y core. They also say it has some body to it and is sturdy enough that it can hang a bit without tearing. Customers also mention that the quality of the foil is very good, and the radiant is stiff like real aluminum foil.

"...It's very durable and tear resistant, thicker than you're probably imagining...." Read more

"...This is very thick and durable - must be cut & will not tear which is fantastic...." Read more

"...Summer here is April - October. I do like the fact that it’s all metal...." Read more

"...This product is heavy duty. Easy to install. Because this product is thick and heavy duty, you can cut 7 - 8 foot pieces to install and it won't..." Read more

17 customers mention17 positive0 negative

Customers appreciate the value of the insulation. They say it is the most bang for your buck and helps reduce air conditioning costs.

"...sure this would really do anything and decided to try it for the reasonable cost...." Read more

"...when done, it actually does keep the attic cooler and reduce our air conditioning costs." Read more

"...Thanks for a great product and a super reasonable price (about 9 cents psf)" Read more

"...But I was amazed at the results. Definitely the most bang for your buck." Read more

9 customers mention9 positive0 negative

Customers like the reflectivity of the insulation. For example, they mention it's very well reflects light, is amazingly effective at reflecting IR, and works to reflect back solar radiation. That said, they say it does a great job at blocking out light and heat. Overall, customers are satisfied with the product's reflectivity.

"...build vented cavity roofing systems and this stuff is amazingly effective at reflecting the IR...." Read more

"...It works to reflect back solar radiation, effectively creating shade from the radiation as tree cover would...." Read more

"...The radiant shield reflects heat from the roof that gets direct sunlight.I wouldn’t insulate without a radiant shield...." Read more

"...for a double geodesic dome tiny house, and it does a great job at blocking out light and heat...." Read more

6 customers mention6 positive0 negative

Customers find the insulation easy to cut with scissors. They also mention that it's very thick and durable, and can't be torn.

"...Easy to cut with a utility knife, DO NOT even try scissors. It might work, but not well." Read more

"...The material is easy to work with and you can cut with scissors." Read more

"...This is very thick and durable - must be cut & will not tear which is fantastic...." Read more

"...Also cuts fairly easy with a utility knife or scissors, but won’t tear easily on its own...." Read more

Easy to install and works great
5 Stars
Easy to install and works great
Made a huge difference just with the radiant barrier. Buy at least 2 rolls of aluminum refrigeration tape and one to two boxes of 1/2" staples along with a couple wide boards to lay on while installing. Doing this DIY project before blowing in insulation was a breeze, would highly suggest waiting to do this during a cold front or at night if you can take the heat, use a good high cfm fan and plan your layout / precut sections with an additional 2' and have a box cutter handy with back up blades. Did this for my garage and will do for the house when winter hits.
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Reviewed in the United States on August 9, 2019
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5.0 out of 5 stars Easy to install and works great
Reviewed in the United States on October 3, 2023
Made a huge difference just with the radiant barrier. Buy at least 2 rolls of aluminum refrigeration tape and one to two boxes of 1/2" staples along with a couple wide boards to lay on while installing. Doing this DIY project before blowing in insulation was a breeze, would highly suggest waiting to do this during a cold front or at night if you can take the heat, use a good high cfm fan and plan your layout / precut sections with an additional 2' and have a box cutter handy with back up blades. Did this for my garage and will do for the house when winter hits.
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