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๐ ๏ธ Reflect your comfort, block the heat โ insulation that works as hard as you do!
The Reflective Bubble Insulation Sheet by FONUNO is a 3mm thick, double-sided aluminum foil roll with polyethylene bubble cushioning, measuring 23.6 inches by 10 feet. Designed for windows, RVs, roofs, and garage doors, it offers superior heat reflection, waterproof durability, and easy installation with customizable sizing and included double-sided tape. Highly rated for enhancing temperature control and energy efficiency in diverse environments.












































| ASIN | B0CH9HNXQ3 |
| Best Sellers Rank | #2,619 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #21 in Weatherproofing Products |
| Brand | FONUNO |
| Brand Name | FONUNO |
| Coverage | 2832 square inches |
| Customer Reviews | 4.6 out of 5 stars 1,855 Reviews |
| Item Dimensions L x W | 120"L x 23.6"W |
| Item Thickness | 3 Millimeters |
| Manufacturer | FONUNO |
| Manufacturer Part Number | GRM168 |
| Material | Polyethylene (PE) |
| Material Type | Polyethylene (PE) |
| Model Number | GRM168 |
| Product Dimensions | 120"L x 23.6"W |
| Recommended Uses For Product | Windows, RVs, roofs, garage doors, outdoor use |
| Unit Count | 1.0 Count |
J**.
Huge Improvement in Sauna Tent Heat Retention โ Worked Great
This insulation worked great for my setup. I used it to line a sauna tent and it made a huge difference in heat retention and overall performance. Before adding it, the tent was topping out around 140 degrees, and afterward it was reaching close to 180 degrees much more consistently. Easy to work with, lightweight, and surprisingly effective. Definitely worth it if youโre trying to improve insulation or heat efficiency.
S**1
what a difference
This reflects well the sun and very versatile. They are of good quality. I noticed a difference in the temps by about 10 to 15 degrees. My RV ac doesn't run as often now and so glad I purchased. They fit well in the window and easy to cut if needed. The appearance is nice as they are inside behind curtains but from the outside they look great.
L**8
Works wonders
This has helped temperature control in our Rv so much. Easy to use and amazing reflectivity
K**Y
Summertime heat protection
Easy to use and does the job!!!
A**D
Tree insulation
this is the second year I have used this to insulate my fig tree. Last year it worked at least as well as straw, and was much easier to use and take down again.
S**Y
Awesome for making sun blocking window panels!!!!!! Sturdy product :)
Awesome! Used to make sun blocking panels for windows. Windows are 36" x 78". One panel is 8" less wide due to portable A/C insert. Measure window twice. Cut once. Used staple gun to attach 1/2" square dowels to vertical edges. Easy to pop in and out of windows. Have taken in and out many times over past month - very sturdy material!! Will be easy to roll up for storage. Seriously easy and helpful. Decreased room temperature by 15 degrees in upper rooms that get afternoon sun and sit above lower level's asphalt shingled roof. Very noticeable difference!!! Looking forward to less $ on power bill. Wish I'd have made these years ago!
D**K
Answer to insulation needs!!!
Very easy to install. Noticed a change in temperature of garage immediately. Woukd buy this item again.
L**E
Reflective Bubble Insulation Sheet
I purchased this reflector for my solar panels in an attempt to get more watts from the sun - and it does work. For a very small price (purchased on sale at around 25% off), I can get anywhere from 5-20 more watts out of my solar panel depending on where the sun is in the sky. Right now, even with the reflector being a little dusty, I'm getting 16 more watts out of my solar panel here in Phoenix AZ at 11:03am. I'm very happy with this purchase as the reflector has been next to my solar panel since June 5th, getting blown around A LOT, dust flying every day as I live in a very windy area, and the reflector doesn't have any rips/tares at all and all I have holding it in place is a couple large binder clips I had on hand. It's very well made for what I need, and the size if perfect for either my 2 Renogy panels or my portable/foldable 4-panel solar panel. I can't be happier with this purchase.
C**Y
Great product
Very easy to handle
S**A
Warms up a room when you cover windows
This Winter has been a rough one. Sunroom is not 4 seasons yet dogs enjoy sleeping in the cool room. Not cold room. Purchased this item to cover windows and within 2 hours, room temp warmed up. Easy to hang, good quality. Will buy again
C**D
Exactly what I wanted
I havenโt used it yet but appears to be exactly what I wanted so expect it to be fine
K**N
Good insulation fur bunny hutch.
Used to insulate bunny hutch. Worked quite well. Added a heating pack made fur bunnies so he was happy and warm all winter in his lovely large pen.
J**N
Thinner than expected but works
Worked great. Possibly thinner than expected but is keeping heat out of rv windows
Trustpilot
2 weeks ago
2 weeks ago