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 157 (4 mm) mil 36 sqft Car Sound Deadening Closed Cell Foam & Heat Insulation mat - PE Foam Sound Deadener Material & Heat Barrier

Siless Liner 157 (4 mm) mil 36 sqft Car Sound Deadening Closed Cell Foam & Heat Insulation mat - PE Foam Sound Deadener Material & Heat Barrier

Product ID: 177205333

Details

Brand
Siless
Item thickness
157
Material
Polyethylene
Product dimensions
8.4L x 0.4W

💧Waterproof & moisture resistant

🔥Blocks 98% radiant heat

🛠️4mm thick closed-cell PE foam

Description

🔥 Silence the noise, block the heat — upgrade your ride’s comfort today!

VERSATILE COVERAGE - 36 sqft roll covers firewall, doors, roof, trunk, and floor for comprehensive vehicle insulation.
PRECISION THICKNESS - 4mm closed-cell polyethylene foam ensures superior sound deadening without bulk.
ULTIMATE HEAT SHIELD - Effectively blocks 98% of radiant heat to keep your vehicle cooler in summer and warmer in winter.
LIGHTWEIGHT DURABLE - Waterproof, odorless, and compressible foam that won’t absorb moisture or degrade over time.
EFFORTLESS INSTALLATION - Self-adhesive backing and flexible design make application quick and hassle-free, no roller needed.

Siless Liner 157 is a premium 4mm thick closed-cell polyethylene foam mat designed for automotive sound deadening and heat insulation. Covering 36 sqft per roll, it blocks 98% of radiant heat, is waterproof, lightweight, and features a self-adhesive backing for easy installation. Ideal for insulating vehicle firewalls, doors, roofs, trunks, and floors, it enhances driving comfort by reducing noise and temperature extremes.

Specifications

ASIN	B07B75PD8B
Best Sellers Rank	502,796 in Automotive ( See Top 100 in Automotive ) 822 in Automobile Insulation
Brand	Siless
Coverage	36 sqft
Customer Reviews	4.5 out of 5 stars 3,321 Reviews
Item Dimensions L x W	8.4L x 0.4W metres
Item Thickness	157 Millimetres
Item Weight	2.6 Pounds
Item thickness	157 Millimetres
Manufacturer	Bema Group Inc.
Material	Polyethylene (PE)
Model Number	SLL36
Number of Packs	1
Part Number	SLS15736
Product dimensions	8.4L x 0.4W metres
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. 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	1.0 count

Reviews

M**E

Qualité et insonorisation intérieure.

Très bonne qualité, utilisé dans mon coffre de ma Mazda 3 pour isoler la tôle, portières,coffre arrière etc., niveaux chaleur et aussi accoustique, la quantité peut être suffisante pour le dessous des sièges et du coffre arrière, si vous voulez aussi faire les portières un autre rouleau sera nécessaire.Je recommande vivement

14.06.2026

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

Not really that good - i used this with their butyl matts and has barely made a difference in engine & road noise.

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

B**O

4/10

Not what I expected

21.06.2026

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