Ratings & Reviews for Kingspan Insulation R- 5 , 1-in x 4-ft x 8-ft Unfaced Foam Board Insulation
Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers overwhelmingly praise this insulation board for its ease of cutting, versatility, and durability. The foam cuts cleanly with standard tools like exacto blades and jigsaws, making it accessible for all skill levels. Reviewers highlight successful use across basement insulation, stage props, crafts, and specialty applications. Many describe it as sturdy and dense, maintaining thermal performance without adding bulk. While a few mention price increases and isolated quality concerns, the vast majority consider it reliable and well-suited for both insulation and creative projects.
Customer review summary generated by AI, including incentivized reviews.It's big
Would Not RecommendIt's big
Verified Purchaser
I wish it had foil on one side
Would RecommendNice to work with, little cleanup.
Verified Purchaser
It is what it is
Would RecommendUsing this under a manufactured home with a concrete pad. Unfaced insulation and then this as a vapor barrier.
Verified Purchaser
use in golf sim flooring
Would Recommendsolid product; did not splinter or chip as it was cut. used as floor for golf simulator with foam tiles on top. handles walking on well and cuts well without fragmenting when splitting along a cut line.
Verified Purchaser
Good, basic wall board insulation, Highly recommen
Would RecommendSolid, light and easy to hang or glue. Helps insulate my basement and make up the R value I need.
Verified Purchaser
Standard foam Board. Does what it's intended to do
Would RecommendStandard Foam Board. It's a shame it keeps going up in price.
Verified Purchaser
Great form factor!
Would RecommendEasy to work with! Walls, under foundations wherever
Verified Purchaser
Great service
I love the two 8 x 10‘ rugs I purchased. Just this picture on the website. Great service.
Verified Purchaser
Insulation
Would RecommendIt was green. I was able to cut it with a knife. The lion head logo is really awesome. Too awesome to drywall over.
Verified Purchaser
Always underaged sheets
Would RecommendAlways in stock and in good condition!
Verified Purchaser