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🛠️ Insulate smarter, live cooler — don’t let heat crash your vibe!
The MOTUKA 40" x 80" 118mil Single Reflective Foil Insulation combines a closed-cell polyethylene foam core with a pure aluminum foil finish to create a lightweight, easy-to-install radiant heat barrier. Covering 21.53 square feet, it effectively reduces heat transfer, lowers energy costs, and adds soundproofing benefits for homes, vehicles, and garages. Safe, non-toxic, and maintenance-free, this versatile insulation solution is designed for professionals and DIYers seeking efficient thermal control without the mess.



| ASIN | B0B4FQZZ7Q |
| Best Sellers Rank | #575,607 in Automotive ( See Top 100 in Automotive ) #385 in Automobile Insulation |
| Brand | MOTUKA |
| Brand Name | MOTUKA |
| Coverage | 21.53 square feet |
| Customer Reviews | 4.3 out of 5 stars 237 Reviews |
| Item Dimensions L x W | 80"L x 40"W |
| Manufacturer | MOTUKA |
| Material | Polyethylene (PE) |
| Material Type | Polyethylene (PE) |
| Number of Items | 1 |
| Product Dimensions | 80"L x 40"W |
| Recommended Uses For Product | home insulation, vehicle insulation, garage insulation, thermal insulation, soundproofing, energy conservation Recommended Uses For Product home insulation, vehicle insulation, garage insulation, thermal insulation, soundproofing, energy conservation See more |
| UPC | 796917820946 |
| Unit Count | 1.0 Count |
R**N
Blocks the heat!
My house gets a lot of heat from the south wall in the summer. I decided to cover most of it with some kind of insulation. I bought three different kinds and this was one of them. This one worked the best for my purposes. I just taped it near the top of the wall and hung it down lengthwise. I checked using an infrared camera and it was working way better than a similar material that I also tried. So I ordered three more to finish off the wall. I oriented them shiny side in, because there are windows and I didn't want to blind people outside. So they get the white side instead of the mirrored side. A little bit of faint bluish light comes through the material from the windows in the daytime.
P**O
Great product
It does work, using it on the inside of my car as a sunroof shade. Cuts the sun and it insulates the roof.
D**N
Pretty good insulation barrier
Works as a foam barrier should . Lost a star because it comes folded up vs a roll as showed in pic. Reflective material & foam gets creased. Not a deal breaker though since I’m cutting it up. Others wanting the whole sheet flat might be upset.
D**-
Work well.
Really.... A review of thin insulation 😂
R**A
very good product
very good product
T**L
Great for leaky glass slat windows
Easy to install. Just cut to size and place in the window frame. This works well for windows that have the glass slats that you use a lever to open and close. They leak air in the wintertime. Haven't had any issues since putting this in the window to block the air.
C**S
Ehhhh
For the price it's not alot, you definitely can not cover alot of area with just one. Also for the price it doesn't have any adhesive. My fault, but I found another use for it, I made my own reflectors for the windshield. Works great for that but buy 10 if you if you want to insulate anything semi large, I was gonna line a drafty outside closet.
I**E
Perfect for what I needed
The insulation seems to be made well. So far I have no complaints. I will update my review if anything changes.
J**A
Buen producto
Producto acorde a lo ofertado
L**V
That it arrived as advertised
The material did what I needed, enough to complete the job, appears to be what I needed to insulate the cabinet against outside cold, all went well, job done
C**Z
NADA recomendable
Despues de unos dias de uso se empieza a disolver el reflejante, se empieza a romper y es muy delgado. Compré mas o menos unos 5 y fué dinero tirado a la basura. No lo recomienda NADA, no tiren su dinero.
Trustpilot
1 week ago
1 week ago