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🔥 Stay cool, quiet, and in control with Siless Liner!
Siless Liner is a 4mm thick, closed-cell polyethylene foam with an aluminum foil finish designed for automotive sound deadening and heat insulation. Covering 36 sqft per roll, it features a waterproof, oil-resistant, and odorless surface with a strong self-adhesive backing that withstands temperatures up to 215°F. It blocks 98% of radiant heat, making it an efficient thermal barrier that enhances vehicle comfort year-round—all at a fraction of the cost of similar products.



| ASIN | B085642G7M |
| Best Sellers Rank | #6,261 in Automotive ( See Top 100 in Automotive ) #14 in Automobile Insulation |
| Brand Name | Siless |
| Coverage | 36 square foot |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,358) |
| Item Dimensions L x W | 330.7"L x 15.74"W |
| Item Thickness | 4 Millimeters |
| Manufacturer | SILESS |
| Material Type | 157mil Closed Cell Foam |
| Recommended Uses For Product | Vehicle insulation and soundproofing |
| UPC | 753068062380 |
| Unit Count | 36 Square Feet |
2**T
GOOD PRODUCT // ARRIVED IN ONE DAY//WORKED AS ADVERTISED
The product at least for me worked exactly the way it should have, The adhesion was far better than shown in comments, it was about 45 degrees in my garage it did not budge...I am going to line my subwoofer box next ....
O**L
Easy to use
Very sticky it worked well for me to insulate truck roof.
E**R
Great product.
Really made a difference. I added it to the doors and back of the trunk as well as putting it between the speakers and frame. Really helped with outside sound. Make: Honda Model: Accord Year: 2023 Warning: super sticky once it's on its on!
G**D
Easy to apply
Nice product. With adhesive applied, this an all in one product. Easily cut to random shapes and dimensions and the adhesive seems to hold well. Removing the paper that protects the adhesive to apply in tight areas, presents a new set of problems. Having applied the product inside the panels of an old Trooper, it is yet to be determine if sound and temperature transfer are reduced.
A**R
Good quality
Easy to work with product
T**.
Great product
Really good product sticks very well and ez to work with
A**Y
Great budget heat barrier
So far so good. I uaed it to insulat the engine bay of my mini excavator. Very easy to apply. Glue is super strong and will stick on you fingers LONNNNG TIIIIIME. I am satisfied as of right now.
M**N
Just Right! Made in the Ukraine!
Great product! I doubled this up with Siless Sound Dampening material as well. I did a double layer of this insulation on the ceiling (same as in your home, more insulation up top) and single throughout the rest of the car, in my effort to turn my CUV into an interior camper for winter snow storm chasing! Looks great, easy to install, and I got to support the Ukraine! (I was leaning towards Kilmat products but they are made in the Russian Federation... with everything going on right now, it was a no brainer) Only downsides is (1) that you need to be really careful while handling it, because the stickiness WILL stick, (to your fingers) and if you handle it too much, you will pull some of that off. As long as you are careful there, you will be ok. (I personally cut the pieces to size/ smaller the better for tight spaces/ putting up behind other lines/hoses in the car... and then for the 2nd layer, I made sure I overlapped the seams so that there was no gap where the heat would escape through). Second Downside (2) is that I need a little bit more, but not a whole roll more worth... 50 sq ft would be better for what I needed it for, but whatever - I am being nitpicky at this point. Overall, Great Product/Looks Great/ I HIGHLY Recommend!
R**B
This product does not perform. It shrunk by around 25pct after exposure to heat and sunlight covering the cars Panoramic Roof.
K**W
Works well, did both the inside and outside of my F150 front doors, couple of layers on the outside. Super sticky!! Use small sections as if you try a large piece, once you apply it isn’t coming off if you miss align it. Helped my stock speakers sound.
J**N
Received this product a day ahead of schedule and started to install it right away. The grid pattern on the paper was very helpful in cutting the correct sizes and shapes. The stickiness or adhesion of the product was incredible! The material formed to odd shapes really well when needed. Overall, the installation was very smooth an quick. I will be testing the effectiveness very soon but so far, I am impressed and this product is much better than what was in place.
R**9
Very good product. Very sticky back
S**E
C' est quand même facile a installer mais il faut faire attention lors de la pose,car la colle adhésive est très efficace,si elle fait contact a un endroit non voulu c' est trop tard. On ne peut pas l'enlever et le recoller,la colle reste là où elle a fait contact, alors il faut prendre une autre pièce
Trustpilot
1 month ago
2 months ago