Ratings & Reviews for Reflectix R- 21 Attic Wall Unfaced Reflective Roll Insulation 50-sq ft ( 24-in W x 25-ft L ) Individual pack
Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers overwhelmingly praise this reflective insulation for exceptional heat reduction, with many reporting garage temperature drops of 6-15 degrees during summer. Reviewers consistently highlight its ease of installation—lightweight, flexible design requires no tools, with some completing projects in under 20 minutes. Users appreciate its versatility across garages, RVs, windows, skylights, ductwork, and water heaters. Most find it highly effective as a radiant barrier for reflecting heat away from living spaces and improving air conditioning efficiency. A few clarify it functions as a heat reflector rather than traditional insulation, and some note mixed results on garage doors, but overall customers strongly recommend it for thermal management.
Customer review summary generated by AI, including incentivized reviews.Easy to use
Would RecommendWorked great to over wrap the AC ductwork in my attic
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Ease of use is fantastic
Would RecommendThis product is very easy to use. The r value is higher than the pink. I have already noticed the difference in my building temperature even though I haven't totally finished installing this product. I am very pleased.
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Outside insulation
Would RecommendLoved it
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Must have
Would RecommendWorks Great
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Insulation
Would RecommendUsed to wrap resin tank of water softener located in garage where temperature control isn’t possible. Easy to cut and install in sections buy tapping with metal tape. Unknown, how low a temperature will it protect tank from freezing.
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nothing
Easily manipulated to form needed
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Perfect reflectix for anything
Everyone can be creative with reflectix. Cover camper windows, or use it to fill in or cover holes inside house
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Good Buy For the Money
Would RecommendThe product was packaged as the right amount of product (not too much left over, nor too little to work with). The pricing of the product was very reasonable.
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Silver
Would RecommendEasy to install
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Would Recommendlove this product and use it for a number of things like wrapping pipes, wrapping outdoor plants in winter, keeping cold/heat out of my house that comes through windows and on the floor under carpeting in my camper. the possibilities are only limited by your imagination.
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Worked fine, we'll see if it helps
Would RecommendVerified Purchaser
Easy to work with
Works great on duct work
Verified Purchaser
Never do SAME DAY Delivery
Would Not RecommendI don't normally write bad reviews and this is not about the product. I chose SAME DAY delivery and it showed delivered but the 52 items never arrived. Lowe's uses a company called OneRail. OneRail simply contacts delivery drivers like DoorDash to deliver things. One Rail does not even deliver it. Whoever picked up the items delivered it to the wrong address. The worst part.. Lowe's tells me OneRail has to refund me my money and not Lowe's since OneRail was the shipper. OneRail has 5-10 da...
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