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R- 21 Attic Wall Unfaced Reflective Roll Insulation 100-sq ft ( 48-in W x 25-ft L ) Individual pack

Ratings & Reviews for Reflectix R- 21 Attic Wall Unfaced Reflective Roll Insulation 100-sq ft ( 48-in W x 25-ft L ) Individual pack

4.8
399
Review
 4.8 out of 5
400 Reviews


97% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

The reflective insulation product appears to be a versatile and effective solution for home and RV insulation. Customers report it is easy to work with, install, and cut to size, making it suitable for various applications. The reflective properties help regulate temperatures, keeping spaces cooler in hot weather and warmer in cold weather. The product is particularly well-suited for insulating areas with large windows or exposed to direct sunlight, as the reflective layer blocks heat transfer. Customers also mention using it to insulate water pipes, crawl spaces, and attics, often in combination with other insulation types. Overall, the consensus is that this is a high-quality, effective product that can provide significant energy savings and temperature regulation benefits.

Customer review summary generated by AI, including incentivized reviews.
400 Customer Reviews

Great for reflecting heat or the cold.

Would Recommend

Just what I needed.

December 19, 2025
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foil roll

Would Recommend

easy to fit into the windows. helping to keep the heat inside of the trailer.easy to use

November 25, 2025
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Window insulation

Would Recommend

Works very well for blocking sunlight and keeping the shower room cooler

November 7, 2025
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Great Window Insulation

Would Recommend

It is good quality at a good price.

September 25, 2025
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Keeps the Sun out......

Would Recommend

Well I like the fact that it does stops the radiant heat at the glass,,, It will never be R21 as stated on the package, but combined with 1.5" of Wool insulation and .25" plywood, darn happy with the difference with the added Reflective insulation... Worked great on my Travel trailer too....

September 10, 2025
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Reflects heat

Would Recommend

It is very flexible to use to insulate many different areas.

August 1, 2025
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Good product

Would Recommend

Good roll length and width. Worked very well in my crawlspace application. Relatively easy to put up.

July 28, 2025
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