This product sticks very well. I’m using it on my firewall in my car. Can you spray soap water-to give you time in moving the insulation?

This product is very sticky, if you need to move it, it may be a bit difficult, but you can try to make it move with soapy water, it is best to install it in a good position at the beginning to avoid repeated pasting.

What would happen if i stuck this to the outside roof of my van?

Hello, for the time being, I have not seen it used on the outside of the car, usually to stick in the interior of the roof, stick on the outside should also work, but this is neither beautiful nor durable it.

What's the R value on this stuff?

Not very much. Thus is more used for sounding/noise reduction. For insulation look to insulating material.

Is this a butyl mat, closed cell foam or a combination of both?

Hello, this is made of closed cell foam and aluminum foil finish.

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CHAOGANG 200mil 36.16 Sqft Car Sound Deadener Deadening Mat Noise and Heat Shield Insulation Closed Cell PE Foam Vibration Dampening Material for Car Hood Trim Roof Door and Trunk

CHAOGANG 200mil 36.16 Sqft Car Sound Deadener Deadening Mat Noise and Heat Shield Insulation Closed Cell PE Foam Vibration Dampening Material for Car Hood Trim Roof Door and Trunk

Product ID: 385238420

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Details

Material
[test-01]
Brand
FangZin
Item thickness
5 Millimeters
Recommended uses for product
automotive and
Product dimensions
8L x 0.42W

📏5mm thick high-density foam

🔥Heat resistant -40°C to 149°C

🛡️36.16 sqft coverage roll

Description

🚗 Silence & Coolness, Rolled to Perfection!

WIDE TEMPERATURE TOLERANCE - Performs flawlessly from -40°C to 149°C, perfect for all climates and driving conditions.
DURABLE MOISTURE RESISTANT - Closed-cell foam ensures zero moisture absorption and odor-free insulation for lasting freshness.
GENEROUS 36 16 SQFT COVERAGE - One roll covers large areas like hood, roof, doors, and trunk—maximize your car’s comfort effortlessly.
ULTIMATE NOISE HEAT BARRIER - Premium closed-cell PE foam with 5A grade aluminum foil blocks sound, heat, and UV for a serene ride.
EASY CREASE FREE INSTALLATION - Soft roll format with strong adhesive sticks smoothly—no wrinkles, no hassle, just professional results.

The CHAOGANG 200mil Car Sound Deadener is a 5mm thick closed-cell PE foam mat finished with premium 5A grade aluminum foil, offering 36.16 sqft of high-performance noise and heat insulation. Designed for versatile automotive use, it resists moisture, odors, oil, and UV radiation, maintaining comfort inside your vehicle across extreme temperatures from -40°C to 149°C. Delivered in a soft, crease-free roll, it ensures easy installation and long-lasting vibration dampening for a quieter, cooler drive.

Specifications

Manufacturer	CHAOGANG
UPC	796917970948
Part number	796917970948
Item Weight	1.55 Kilograms
Product Dimensions	800.1 x 41.91 x 0.1 cm; 1.55 kg
Item model number	796917970948
Style	36.16sqft
Shape	roll
Item Package Quantity	1
Coverage	36.16 square feet
Batteries Included?	No
Batteries Required?	No

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