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🛠️ Insulate smarter, live cooler — don’t let heat or moisture crash your space!
Halero’s 5mm Reflective Insulation Foam Core Radiant Barrier combines double-sided aluminum foil with a closed-cell pearl cotton core to deliver superior thermal insulation and moisture protection. Sized at 40" x 80" (21.63 sqft), it’s waterproof, vapor-proof, and sound-dampening, making it ideal for ceilings, walls, steel buildings, and roofing. Easy to cut and install, this radiant barrier keeps your space comfortable year-round while preventing condensation and energy loss.






| ASIN | B0BNTW5KD7 |
| Best Sellers Rank | #117,157 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #84 in Weatherproofing Window Insulation Kits |
| Brand | Halero |
| Brand Name | Halero |
| Coverage | 21.63 square feet |
| Customer Reviews | 4.2 out of 5 stars 312 Reviews |
| Included Components | non |
| Item Dimensions L x W | 80"L x 40"W |
| Item Thickness | 5 millimeters |
| Item Type Name | non |
| Manufacturer | halero |
| Manufacturer Part Number | SMZZM04 |
| Material | Polyethylene (PE) |
| Material Type | Polyethylene (PE) |
| Model Number | SMZZM04 |
| Number of Items | 1 |
| Product Dimensions | 80"L x 40"W |
| Recommended Uses For Product | Insulation in ceilings, walls, steel buildings, and roofing |
| UPC | 796917474774 |
C**Y
Excellent insulation
This material is great. Performs exactly as needed for insulating my seats on my Honda Pioneer 1000-5. Upon further inspection, the size it comes in and price makes it useful for backup emergency blanket or reflective shade cover just to throw in your RV.
A**R
Great for Hot Windows
Quite effective used in my West facing window. ( Phoenix 110+ degrees)!
M**J
Greatly Reduces Heat
I have a steel front door that gets very hot in the summer months. It gets so hot that you can touch the outside and can feel the heat inside. I cut this to size and used magnetic clips to hang on outside of door, between storm door. This has greatly reduced the heat coming in the house. I took off one star because the top Layer has bubbles like trying to separate from isolation.
O**A
Easy to install
So much to love about this insulation. First, it can be cut with scissors -- no special equipment required. Installation can be done with a staple gun. There is no itchy fiberglass involved. R value yet to be determined, but at the least it should make a good vapor/wind barrier.
N**7
Extra Insulation Cat House
I used it for extra installation for a cat house.For feral cats that I feed. After I had install the one inch film insulation with the adhesive, which took a few days because I let each area dry I install this using upholstery pins to twist into the foam insulation board. I have one more to do then just add straw and cover with a tarp.
J**G
Inferior in comparison to previous purchase
This product is shown as a ROLLED material and I purposely chose it because I have bought it in rolls in the past and was very satisfied. However, this arrived FOLDED and there were places where the “bubbles” were popped by someone’s fingers. Also, it does not measure as advertised but is somewhat shorter in length and width. It still works to reflect heat but I’m wondering if the imperfections hinder its effectiveness. This is a far cry from my last purchase due to packaging problems.
R**N
Great insulator
I just completely covered my bedroom window with this in the winter since I only ever just sleep in there anyway. Kept my room much warmer than without it. I couldn't really use the cling film since there's no trim on my window.
E**S
Item not as described.
Two inches short on length and width. Also folded, not rolled as in photos. Foam was not sized as described, and was heavily creased due to folding.
S**Z
Not worthy
It is not at expected level, product is not good.
J**Y
Perfect for keeping my chickens warm
I lined our chicken coop with this. It's perfect. Thin, insulated well, reflective so that they get their own heat back and seems good quality. Easy to cut to size and staple in place. The temps went down quickly and I needed this quickly and it dod the job well. Chickens were happy and warm.
A**R
Good
Good
�**�
ممتاز
ممتاز
A**N
Bad smell
smoking smells comes from it very bad
Trustpilot
2 months ago
2 weeks ago