Ratings & Reviews for STYROFOAM Residential Sheathing R- 5 , 1-in x 4-ft x 8-ft Faced Polystyrene Board Insulation
Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers overwhelmingly praise this foam board for its ease of cutting with basic tools like utility knives and cordless saws, producing clean precise cuts without debris. Most highlight its effective insulation performance, blocking heat and cold reliably in garages, attics, and trailers with high R-value. Reviewers appreciate its lightweight yet sturdy construction, versatility across diverse applications from model building to protective backing, and ability to conform to irregular surfaces without warping. A few note concerns about thickness for heavy outdoor use or availability, but these isolated issues do not diminish the strong overall satisfaction with core functionality and performance.
Customer review summary generated by AI, including incentivized reviews.100% what I expected
Took home exactly what I went after. Store was great to work with and check out was seamless.
From Residential Sheathing R- 2.75 , 0.55-in x 4-ft x 8-ft Faced Polystyrene Board Insulation Verified Purchaser
Easy to install
Would RecommendVery easy to install. Easy to cut with utility knife. Improves the r factor on an addition to a cabin
Verified Purchaser
Great product
Great product! I highly recommend. It's solid material and did what it advertises.
From Unsheathed R- 10 , 2-in x 4-ft x 8-ft Unfaced Polystyrene Board Insulation Verified Purchaser
Thick foam board
We got this because of how thick and durable it was. Worked great
Verified Purchaser
Attic door
Would RecommendWorked exactly as planned for insulating attic door.
Verified Purchaser
Great features
Would RecommendI know this product is for home construction but I have used this product for every Vacation Bible School project we have at my church. It cuts like butter, allows me to build depth why hot gluing pieces together and paints wonderfully. Plus the children love what I can create! Who knew Lowe’s was an art store as well. LOL
From Residential Sheathing R- 2.75 , 0.55-in x 4-ft x 8-ft Faced Polystyrene Board Insulation Verified Purchaser
Sound Enclosure
Would RecommendI bought this to make a sound enclosure for my loud inverter generator. It cut the noise in half, very satisfied with the product and it was easy to work with.
From Residential Sheathing R- 3.9 , 0.78-in x 4-ft x 8-ft Faced Polystyrene Board Insulation Verified Purchaser
Good product
Would RecommendBought this for a project in my shop. Nicely manufactured, strong and durable.
From Unsheathed R- 10 , 2-in x 4-ft x 8-ft Unfaced Polystyrene Board Insulation Verified Purchaser
Foam to Insulate Garage Doors
Would RecommendI purchased the foam to cut into sections and fit it in my garage doors for insulation. It has a rating of R5. I was able to wedge it in there and not use any glue or tape. So far it seems to be cooling it a bit.
Verified Purchaser
Perfect for cutting full sheets of plywood
Would RecommendI bought this for cutting full sheets of plywood with a festool track saw, works perfect.
Verified Purchaser
Very disappointed
I paid $70 for home delivery and I see the product came damaged. I'm so disappointed.
We really appreciate the 5-star review and the glowing review. We really appreciate it!