"Just wanted to mention that this is Polyisocyanurate (Polyiso) not polystyrene (XPS). Polyisocyanurate has the highest R value per inch (3.3) vs. Expanded PolyStyrene (XPS) (2.5). Polyisocyanurate"... (read full reviews)
"We used this product in our private indoor gun range. It works great, keeps the sound in and doesn't disturb our neighbors. Easy to install and work with but does tend to absorb a little moisture."... (read full reviews)
"I purchased this item because it is 1/2 the size. The foam board fitted in my mustang by pulling down the back seat. The board is light weight. To prevent the bidding when cutting, use a hot wire foam"... (read full reviews)
"I find that if you use a razor knife to cut this product use one that is long enough to cut all the way thru the 1" thickness.
Being the first time I have used this product I cannot compare it to"... (read full reviews)
"I recently used this type of insulation to insulate my garage. It was very easy to cut and install and was much less messy or itchy then using traditional fiberglass insulation. I put the insulation"... (read full reviews)
"I insulated my 6' X 12' enclosed cargo trailer every inch from top to bottom with this stuff, and was very impressed after I mounted a 5,000 BTU AC on the back door. It's like a walk-in cold storage"... (read full reviews)
"I used this product when I bought a beer distributor to scratch build a walk-in cooler - the insulation quality is excellent. Think about a foam coffee cup about 1/8" thick and consider this product"... (read full reviews)
"I installed this product on my home after tearing off the old siding (original redwood - house was built in 1942). I decided to use this for three attempted goals: 1 - add an insulating R-value, 2 -"... (read full reviews)
"Before we had our home sided we installed the Dow Super tuff-R sheething and then tyvec over the entire exterior of our home. It was easy to install as was the tyvec. It was installed in early spring"... (read full reviews)
"This product is an EPS Foam. If you live in a cold climate like me, this performs better and increases R-Value as temps drop. XPS (Pink and Blue Board) do not. It can be a little messy to use, but is"... (read full reviews)
"In existing 2 X 4 walls I find this and other foam boards to be perfect in helping to attain the r-values needed to meet today's energy codes. I rip this stuff on my tablesaw to ensure a perfect fit"... (read full reviews)
"This Dow poduct is far superior to the Thermax product HD now carries. The R value of Dow=6.5 for the 1 inch board, compared to R=5.9 for Thermax. That's a 10% better rating for the Tuff R board."... (read full reviews)
"The insulation works well, given that it is only 3/4" thick. The Reflective foil on one side of the insulation really makes a difference and reflects some heat, so that one can go with a thinner piece"... (read full reviews)
"Cuts easily and installation was a breeze with foamboard adhesive.
Immediate and noticeable difference in temperature. What's also important is the fact that it is impervious to moisture."... (read full reviews)