Would this work for vibration from a sound system? Im getting rattling in my doors and hatch part..

Maybe but they have sound deadener for that use.

Like it says 197mil/ app 1sixteenth thick

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Car Heat Sound Deadening Insulation Mat, - 394 Mil 10.8 Sqft Automobile Sound Deadening & Heat Insulation Material for Auto Hood Engine Roof Door and Trunk,40 Inch x 40 Inch, Aluminum Foil Finish

Car Heat Sound Deadening Insulation Mat, - 394 Mil 10.8 Sqft Automobile Sound Deadening & Heat Insulation Material for Auto Hood Engine Roof Door and Trunk,40 Inch x 40 Inch, Aluminum Foil Finish

4.4/5

Product ID: 521423996

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Details

Material
394 Mil
Brand
ALLWIN
Coverage
10.8 square
Item Thickness
10 Millimeters
Recommended Uses For Product
Automobile and

📏394 mil thickness for max insulation

🧰10.8 sqft coverage, easy install

🛡️Blocks 98% radiant heat transfer

Description

🛠️ Silence the noise, tame the heat—drive in comfort and style!

PRECISION THICKNESS - 394 mil (10 mm) dense closed-cell foam for superior sound and heat insulation.
VERSATILE APPLICATION - Perfect for engine bays, doors, trunks, roofs, and more—upgrade every inch of your vehicle.
ALL WEATHER DURABILITY - Waterproof, odorless, and resistant from -40°F to 300°F for year-round performance.
EFFORTLESS INSTALLATION - Flexible, lightweight sheets (40x40 inches) with strong self-adhesive backing—no roller needed.
ULTIMATE THERMAL SHIELD - Keeps your ride cooler in summer and warmer in winter with 98% radiant heat blockage.

This 394 mil thick, aluminum foil finished sound deadening mat covers 10.8 sqft and blocks 98% of radiant heat, providing superior thermal and acoustic insulation for vehicles. Lightweight, waterproof, and odorless, it withstands extreme temperatures (-40°F to 300°F) and installs easily with a strong self-adhesive backing, making it ideal for engine compartments, doors, trunks, and more.

Specifications

Product Dimensions	40"L x 40"W
Manufacturer	ALLWIN
UPC	616943705379
Part Number	AL4040
Item Weight	1.39 pounds
Item model number	AL4040
Color	Silver Tone
Style	40 x 40"(10.8sqft)
Item Package Quantity	1
Included Components	Sound deadening mat
Batteries Included?	No
Batteries Required?	No

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TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago

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TrustScore 4.5 | 7,300+ reviews

Ravi S.

I loved the variety of products available. Will definitely shop again.

2 months ago

Vikram D.

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