Is this better than the aluminum 157mil product?

Use peel and seal which is the butal aluminum kind, and its way cheaper! Then use this padded deadener on top of that !!

What is the width of the roll?

Thank you for your question. The width of Siless Liner is 16 inches.

Hi i am trying to Insulate my cargo van mercedes sprinter 2022 170 wb extended how many rolls do i need and will this work to control the temperature

You should be able to determine how many rolls you'd need by measuring the interior area you want to cover then comparing it to the roll size (which I believe is in the product description) As for temperature control I don't think this product is thick enough to have an impact on that.

what kit would be best to do whole inside of my 1964 VW bug?

Hi there! I suggest buy 36.5 sqft 4 mil enough for VW , Just working on 71 super beetle and cover door interiors ,cargo area( rearfirewall) and roof ! Have fun!

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Siless Liner Foam Dampening Material Insulation Car Sound Deadener Mat - 157 mil 30 sqft | Polyethylene and Rubber | For Passenger Car | Brown

Siless Liner Foam Dampening Material Insulation Car Sound Deadener Mat - 157 mil 30 sqft | Polyethylene and Rubber | For Passenger Car | Brown

Product ID: 238941851

Details

Brand
Siless
Item Thickness
4 Millimetres
Material
Polyethylene
Product Dimensions
8.4L x 0.4W

💧100% waterproof & oil resistant

🔥Blocks 98% radiant heat

🛠️4mm thick closed-cell foam

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VT75099

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Description

🚗 Upgrade your ride’s comfort & silence with Siless Liner — the smart insulation choice!

EFFORTLESS INSTALLATION - Self-adhesive, flexible, and lightweight—install in minutes without special tools or mess.
ULTIMATE THERMAL SHIELD - Siless Liner slashes engine & exhaust heat, keeping your ride cool in summer and cozy in winter.
PREMIUM CLOSED CELL FOAM - Dense 4mm polyethylene foam with near-zero air infiltration for unbeatable insulation and durability.
COST EFFECTIVE EXCELLENCE - Top-tier insulation at over 3x less cost per sqft than competitors—quality that saves your wallet.
RUST PROOF MOISTURE RESISTANT - Waterproof and oil-resistant foam that prevents rust and mold, extending your vehicle’s lifespan.

Siless Liner is a 4mm thick, closed-cell polyethylene and rubber foam mat designed for automotive thermal insulation and sound dampening. It blocks 98% of radiant heat, is fully waterproof and oil resistant, and features a self-adhesive backing for easy installation. Covering 36 sqft per roll, it’s durable, crush-resistant, and ideal for firewall, doors, roof, trunk, and floor applications, delivering premium heat and vibration reduction at a fraction of the cost of similar products.

Specifications

ASIN	B07B75PD8B
Best Sellers Rank	#224,550 in Car & Motorbike ( See Top 100 in Car & Motorbike ) #277 in Automobile Insulation
Brand	Siless
Brand Name	Siless
Country of Publication	USA
Coverage	36 square foot
Customer Reviews	4.5 out of 5 stars 3,281 Reviews
Item Dimensions L x W	8.4L x 0.4W Meters
Item Thickness	4 Millimetres
Item Weight	2.6 Pounds
Manufacturer	Bema Group Inc.
Manufacturer Part Number	SLS15736
Material	Polyethylene (PE) , Rubber
Material Type	Polyethylene (PE), Rubber
Model Number	SLL36
Product Dimensions	8.4L x 0.4W Meters
Recommended Uses For Product	Insulating and soundproofing various components of a vehicle, including the firewall, doors, roof, trunk, and floor. Recommended Uses For Product Insulating and soundproofing various components of a vehicle, including the firewall, doors, roof, trunk, and floor. See more
UPC	670875990586
Unit Count	1 Count

Reviews

A**R

Did it’s job perfectly

17.02.2026

C**N

Excelente relacion costo beneficio

Anteriormente encargue de vendedores de China nunca me llego el producto. Este llego incluso antes de lo esperado el producto se ve de buena calidad, mejor de lo que esperaba por el precio.

5.08.2020

C**P

Nothing special

9.02.2026

ع**د

السمك 8مل افضل من 4مل لان مافرق معي

الكمية فقط للارضيه سياره صغيره والعازل فرق شي بسيط عن الوكاله تقريبا 5بالميه يعني خذ 8مل افضل

22.12.2025

D**.

Bringing a 1976 MG Midget to the modern world!

11.11.2025

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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