Ratings & Reviews for Reflectix R- 21 Attic Wall Unfaced Reflective Roll Insulation 33.3-sq ft ( 16-in W x 25-ft L ) Individual pack
Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers overwhelmingly praise this insulation for exceptional ease of installation and versatility. Reviewers consistently note it cuts easily, requires no special tools, and conforms to irregular surfaces, making it ideal for DIY projects in garages, RVs, camper windows, and ductwork. Many highlight its effectiveness as a radiant heat barrier and lightweight flexibility. A few note it functions as a radiant barrier rather than traditional bulk insulation, clarifying expectations about thermal performance. Overall, customers consider it a reliable, multi-purpose solution.
Customer review summary generated by AI, including incentivized reviews.No mess
Would Recommendeasy to handle and cut
Verified Purchaser
Looks easy to work with
Would RecommendLooks easy to install
Verified Purchaser
Not Bad
Would RecommendEasy to work with.
Verified Purchaser
Definitely worth the buy
Would RecommendLoved installing this in my crawlspace. Made it simple, quick and functionally easy with the limited space available
Verified Purchaser
it works
Would Recommendnoticeably cooler in the south facing window
Verified Purchaser
Sturdy, consistent, right for my job.
Would RecommendI needed to create a chick house out of a large dog cage, and this worked perfectly to create walls just high enough to keep the radiant heat and chicks in, and sturdy to withstand pecking.
Verified Purchaser
Works as advertised, Keeps you cooler.
Would RecommendIt works as advertised and the customer service line picks up the phone. I used this on the underside of the roof of a small cabin and it made an immediate and appreciative difference in the heat absorbed from the son. Cabin was noticeably cooler.
Verified Purchaser
Perfect insulation
This stuff is great. I use 3M industrial adhesive to adhere it to what I'm insulating.
Verified Purchaser
It is easy to work with
Would RecommendI am employing it as a barrier to hold in the blown in insulation
Verified Purchaser
Great on windows to block summer heat
Would RecommendEasy to use and fit to any shape
Verified Purchaser
Easy to Install and Effective
Would RecommendVerified Purchaser
easy to cut and durable
easy to use
Verified Purchaser
Good stuff
Would RecommendEasy to cut works well
Verified Purchaser
Might want an industrial 2 sided tape for looks
Would RecommendWrapped an inside air conditioner box frame
Verified Purchaser
Worked as described
Would RecommendWorked as described, good price.
Verified Purchaser
16 inch insulation
Easy to work with and because it is thin it was easy to get over top water, sewer, and electric wires in crawlspace area ceiling or loft so wires and pipes are still exposed and can be easily reached verses a thick insulation type wouldnt have fit.
Verified Purchaser
Reflectix R- 21 Attic Wall Unfaced Reflective Roll
Would RecommendPerfect for insulating under my stairs going up into my attic. I folded over the roll 6 times and squished it all under the steps and made it work. looks and feels great.
Verified Purchaser
Good and fast insulation
Would RecommendGood and fast insulation, we wrapped it around our under floor joist air ducts to help with insulation and noise
Verified Purchaser