Ratings & Reviews for GreenGuard R- 5 , 1-in x 2-ft x 2-ft Unfaced Foam Board Insulation
Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers overwhelmingly praise this foam board for exceptional insulation performance, with many reporting it successfully prevented frozen pipes, sealed attic openings, and insulated tight spaces. Reviewers consistently highlight how easily it cuts with a razor knife and fits irregular areas without special tools. The product's versatility extends far beyond traditional insulation—customers use it for model-making, sound deadening, and craft projects. Most find it a reliable, cost-effective solution for small-scale DIY work. A few note minor edge imperfections during cutting, though overall satisfaction remains exceptionally high.
Customer review summary generated by AI, including incentivized reviews.DIY perfection
Would RecommendPerfect size to work with in tight spaces. Also was used for a DIY project. Easy to cut, shape and form tightly.
Verified Purchaser
Bord
Would RecommendWorked for what i needed it for.
Verified Purchaser
Very Versatile
Would RecommendThese boards are extremely versatile and are great for a number of different problems
Verified Purchaser
The size is perfect!
Would RecommendThis was exactly what I needed, even though it was an unconventional use - I just started Kinusaiga, the Japanese art of 'painting with fabric', and cut this into 6" squares, so I can make several pieces. The price point was great, and the size was perfect!
Verified Purchaser
Lite weight
Would RecommendLite weight, worked well for fill in around window AC slightly hard to cut with razor knife horizontal
Verified Purchaser
Convenient to pick up
Perfect size for my area
Verified Purchaser
What's in Your Attic
I needed an insulation product that would fit with my attic cover. This was exactly what I needed. It fit and works great.
Verified Purchaser
Perfect size
Art board
Verified Purchaser
East to work with and no dust like sheetrock
Would RecommendEasy to cut and fill in holes while providing insulated properties
Verified Purchaser
Great size.
Would RecommendPerfect size.
Verified Purchaser
Easy to work with foam board.
Would RecommendThis foam board is easy to cut and is designed not to give off toxic fumes if in a fire.
Verified Purchaser
I would definitely use this again!!!
Would RecommendThis has helped a ton with keeping the inside air in and the outside air out, which helps with the power bill. I'm using in to cover up the side panels of a window ac unit. It's fairly easy to cut with a sharp knife, but it can get a little crooked and break off in smaller pieces. But i used all of it!
Verified Purchaser
Sturdy piece of foam
Would RecommendEasy to use, needed for a craft project for a party and it worked phenomenally. Didn’t fall apart or tear.
Verified Purchaser
Easy to cut and work with.
Would RecommendUsed to insulate piping under my new super high efficiency condensing tankless water heater. It does not crumble like other insulating products.
Verified Purchaser
Product ok- Pricey!!!
Would Not RecommendProduct is fine....price is way out of line. Almost doubled since I purchased the last ones!
Verified Purchaser
Making spacers
Easy-to-use
Verified Purchaser