Reflectix BP48010 Double Pack Insulation, 48 in. x 10 ft

Here in Central Arizona the summer of 2020 was the longest, dryest, hottest summer in Arizona history. That means the summer started in mid May, had more consequtive days of 110°+ temps (even at 3am it never dropped below 92°) and even though we can usually get a reprieve each summer with the monsoon rains, we got less than 1/2" of rainfall TOTAL the entire year. Usually by Halloween I need to put on a sweatshirt to go outside at night, but last year I was wearing tank tops and shorts until mid November. To say it was miserable here is a bigger understatement than saying 2020 had a few unexpected hiccups. It's now 2021, mid May, over 100° outside already by noon every day, and we've had less rain so far this year than we did by this time last year. So in order to avoid $350/mo electric bills this year, I re-sealed all my windows and doors, added UV film + Reflectix insulation to every window. I measured each window frame and cut a piece of Reflectix 2" larger in both height & width to completely block any trace of sunlight from coming through. The extra length on each side has a dual purpose. It provides enough material on all sides to not only cover the window panes, but overflows to the sides of the window frame to ensure no light (heat) can get through, and also holds the entire piece firmly in place without the need for any adhesive or other tools/hardware to keep 100% of the sun's rays out. I've had every window in the front half of my house covered with Reflectix for just over a month now, and i just compared my 2020 April & May electric bills to this year's April bill and usage so far up till today (May 27), and both of this year's bills are at least 60% lower than last year's. SIXTY percent! And that's after our electric company raised our rates 12-13% last fall. If the rates had stayed the same, the window film plus Relectix would have lowered my total cost of electricity this summer by up to 73%!!! If this stuff can reduced the cost of electricity throughout an entire Arizona summer by nearly 75% every month, you'd have a heck of a time finding a climate and situation that would test it's effectiveness as well. I'm a customer for life after the results I got this year. I bought 2 rolls (48" x 10' each) and it was enough to cover all 7 double windows in my house. It works so well at blocking UV rays and preventing things inside from getting sun bleached and dry rotted that I bought a third roll to use a window shades in both our cars so it's not 140° in them with seat belt buckles that will burn the skin right off you if you accidentally touch it. Not only does this block up to 75% of heat, but it also blocks the UVB (rays that cause sunburns) AND UVA rays (the rays that cause signs of premature aging of skin and hair.) If you are looking for a way to keep an older mobile home cool throughout the summer, grab a couple rolls of Reflectix, cut each piece 2" bigger than the area you need covered, and see how much of a difference it makes. The cost of 2 rolls has already paid for itself in the saving i got on my first month's electric bill. It's a no brainer. 2 rolls will save me over $1000 this year alone. What else is there to know?

This stuff is awesome! It cooled our travel trailer down significantly! We did all the windows and it was a night and day difference. We highly recommend this product.

Bought this to put inside our Dutch Star RV's windshield to protect the dash when not in use. Found out it was great to use when we're camping in an area that is facing the sun. Keeps the interior much cooler, less strain on your air conditioners. Read online (a DIY person) that you could tape it on the outside of windshield to get a more accurate fitting. Then use the windshield wipers to hold it in place, use a marker, cut it with scissors, take it inside and fit it into place. Online also suggested that you could use small, plastic Command hooks to hold in place. We didn't find the need to do that, it stayed in place just fine. Enough left over to use on entry door window for times when sun is coming in. Just roll it up when you're not using it. Very happy with product. Also a very good price ($20) in comparison to some ready-made windshield protectors that we looked at, costing between $100-$300. Highly recommend.

I purchased this to install in my rv's windows to keep the sun out to help with the heat. I'm using this product in over 100 degree weather for months. This has helped greatly with the heat and does not let the sun in except where I didn't cut it exact. So happy with this product. I ended up using two rolls to cover all my windows in my 32 ft rv with two extra large windows. Still have some of the second roll left. It was very easy to cut and shape to the windows and easy to remove and install. I especially like that it is stiff enough that i don't need to used adhesive to keep it in the windows.

Reflectix can be used to create a DIY cooler insulator. The attached pictures show what it can do to a Coleman Ultimate Xtreme cooler chest. (The photos were taken 20 feet from the edge of the Grand Canyon on a July field test.) I crafted a sheath that protects the top, bottom, and all four sides. Leaving space for the wheels, handles, and drain, I used heavy duty velcro to attach the Reflectix panels. The sheath opens and seals thanks to the velcro. Inside the cooler, I also placed Reflectix around the sides. Moreover, I used silicone to attach a final panel to the inside of the lid. So how effective is it? While I haven’t conducted a scientific study, I can share that there’s a significant improvement. Possessing a sense of the cooler’s baseline capability, the sheath truly keeps the contents colder for longer. As an example, there have been times when exposed cooler surface was hot from sunlight, yet the area under the Reflectix paneling was cool. While it works, there are limitations to using Reflectix as a cooler insulator. With enough direct Sonoran sunlight, a cooler will get hot regardless of Reflectix protection. The worst problem is that with moderate wear, the aluminum coating rubs off. As this happens, the material loses its reflective power, leaving nothing more than bubble wrap. In regard to the insulation bubbles, they pop given real use. Thus it is clear that Reflectix is intended for use in crawl spaces, attics, walls, and the like. In light of this, it would be nice if the manufacturer created a more durable version. Then again, a DIY cooler sheath isn’t cheap as-is. In addition to the $26.23 spent on the 48"x10' roll of Reflectix for my 82 quart cooler, the velcro was another $25.00. (With hindsight, foil tape on the non-moveable sections would have lowered the cost.) That said, the total cost is well below that of an $800 Yeti cooler! Cooler sheaths work, but know that they have limited lifespans unless treated delicately.