Rated 4.4 out of 5 by 19
Rated 5.0 out of 5.0 by allen This stuff really works
I have an attic that I can walk into through a door and has a floor. It is basically another room. I store lots of stuff in it. When we cut our large dead pine tree down, it started getting hot and the fan, which came on at 90 degrees, came on every day even thought it was 75 outside. I installed this radiant barrier on most of the two sunny sides under the rafters. I used two rolls. The attic now stays about 5 degrees higher than the outside. A huge success in my mind.
This material is tough. They way to staple it every 6 inches, which I did. But it is strong enough that one staple in each corner would hold it. I installed in about 8 foot sections and would staple one corner and then pull it tight and staple another corner. After all four corners were secure, I would do the interior ones. The point is, you can pull hard and it wont' rip or tear. When I wanted to pull some out of a staple to reposition it, you have to pull really hard to remove it. It almost pulls the staple out with the material.
My plan is to have my roof guy get rid of the attic fan and install more vents. The fan is only coming on because it gets so hot at the peak. The attic itself is not getting that much hotter than the outside air and that is really the best that anyone can hope for in a non insulated space.
The bad part is that this takes a long time to install. Not because it is difficult, but rather because there is just a lot of area and putting up about 35 pieces at even 10 minutes each is 6 hours. I didn't time it, but I spent several days, several hours per day, doing it. If my goal was to keep my house cool and I didn't have stuff in my attic. I think adding insulation to the attic floor would be much easier. But that was not my goal as the house was fine temperature wise.
One more interesting point. At one time when I had half of the south-east wall covered I was standing next to the uncovered roof stapling a section. The hot roof felt hot on my face. I moved a couple of feet so I was protected by the radiant barrier and I no longer felt the heat of the roof. This stuff works. Touch it and it is hot, but it doesn't radiate heat so it keeps things inside the attic from getting hot. In other words, it works.
October 11, 2016
Rated 4.0 out of 5.0 by TAK Strong material, but needs better quality control
Purchased two rolls, both had quality issues where they were wrinkled. Fortunately after stapling it flattened a bit.
August 16, 2016
Rated 4.0 out of 5.0 by Mike Reduced Attic Temps
I purchased this material to reduce the temperature of the attic storage space above my garage. We are in the Pacific Northwest where this sort of barrier is not commonly used. I stapled it to the underside of the rafters. After covering the underside of just one roof plane, facing southwest, I've noticed a measurable reduction in temperature.
Before this product, The high attic temps were about 14 degrees higher than the highs outside , sometimes as much as 19 degrees. After installation under just one side of the attic roof, the attic high temps are averaging only 7 degrees above the outdoor temps.
What I find more surprising is that the initial temperatures were measured in May and June, with an average high outside of 78, with a maximum of 101. The temperatures with the material installed were measured in August, with an average of 95.
Furthermore, the garage attic space is open on one side to the rest of the house attic, including a large south-facing roof plane. I assumed the heat gain from the rest of the space would equalize with the space above the garage, making the barrier ineffective, but the numbers seem to prove otherwise.
This product seems quite effective, and was cost effective at about $65 a roll. Installation was straight forward with a staple gun and utility knife, but is definitely a two person job. The large pieces can be unwieldy, particularly in tight spots under the attic roof.
August 16, 2016
Rated 4.0 out of 5.0 by chris Noticable diffrence
I installed this insulation on my roof under metal panels and my attic has reduced in temperature by atleast a few degrees. Was very easy to install and very duable.
August 9, 2016
Rated 5.0 out of 5.0 by Racy Very strong & easy to work with
The title says it all. I really like this product. It's inexpensive for the quality, and I can attest that it's a lot better than some other competing brands (based on their reviewers' comments). I'm quite happy I bought this. It's very easy to make holes for receptacles and switches, and the cut-out area doesn't rip beyond where you wanted it. As an added bonus, I didn't have any help and was able to put this up onto ceiling rafters fairly easily. I would recommend getting help though. Two people make it twice as easy and probably twice as fast.
I can't really attest to how well it performs because I just put it in. It seems to be helping but haven't made any analysis. Scientific lab results are good enough for me. I'm not going to second-guess professional testers. If radiant foil does what it' supposed to do, I'd guess this does it better than average. It's very shiny on both sides and can be made taut along the rafters where I put mine.
If I have any criticism it would be that I'd like the rolls to be 48.5 inches wide instead of 4 feet. It wouldn't hurt anything to overlap an extra half-inch. But it's a real pain when careless construction puts the studs so far apart that you only have an eighth of an inch to staple into. With 16-inch spacing, 4 studs should be 48 inches center to center but often they aren't.
I have 120 sq ft left of the roll. I also have faced insulation that goes into the roof peak of my storage shed. That peak area needs the paper covered for fire safety. It's a real waste of money to put plywood or paneling up there, to say nothing of how hard it is to cut all those angles. Covering that Kraft paper with foil easily gives a super-tough surface that matches the ceiling and basically costs nothing. I know it has no insulation or radiant benefit installed that way. One caveat (if used as a wall covering) if you get direct sunlight on it at some hours of the day, spray paint it to prevent eye damage.
July 19, 2016
Rated 4.0 out of 5.0 by Bundu Installed under siding
Easy to install. I'm hoping this will do something for me in the Florida heat, something is better than nothing right?
February 10, 2015
Rated 4.0 out of 5.0 by BigG Garage door radiant barrier, Anyone else think of this??
I read about this product for use in attics etc. In all of my houses I have always installed garage door insulation available in kits from Home Depot. I purchase the regular garage door insulation kit from the Depot and ordered the radiant barrier from the Depot for delivery as the store did not have it in stock. I used a can of spray adhesive to attach the radiant barrier to the insulating panels. You could tell the difference immediately. I know the insulation works well but the addition of the radiant barrier should help as well.
January 1, 2014
Rated 5.0 out of 5.0 by TexasTim Way better than the stuff I bought on ebay
I purchased a roll off of ebay and needed more to finish the attic, so I went to Home Depot and purchased this roll. The difference was remarkable! when they say HEAVY DUTY they mean it, the ebay roll was very thin I would guess half as thin as this one. I should have used this product from the beginning.
March 10, 2016