What’s the heat rating?

Can't honestly say but I used it to make an oven to heat treat finish on some parts. Held the temperature at 300 for 1 hr with no issues. Pannel look like new. I not sure how high you need to go but I can verify 300 degrees for 1 hour was no issue. Hope that helps.

Will this product work if secured underneath The vehicle and not in the cab ?

It sticks fairly solid but I don't think it will stand up to water. It's three layers . Aluminum foam rubber and adhesive. The foam will soak up water like a sponge and eventually cause the product to fail. It was intended for interior hollow places in a car to deaden sound migration.

Can this be applied to the Undercarriage ?

No. This is intended for interior use only.

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soikoi 276mil 10.76sqft Sound Deadener Mat for Cars -Heat Shield Mat - Car Sound Dampening Material -Moistureproof Waterproof- Automobile Insulation Sound Deadener 10 Sheets (15.7"x9.8"）

Product ID: 438471300

Details

Brand
Infun
Item thickness
2.76 Inches
Material
Aluminum
Product dimensions
39.9L x 24.9W
Recommended uses for product
for cars

💧Moistureproof & waterproof durability

🔇Superior noise & vibration reduction

🔥276mil thick heat shield

$43.32

Duties & taxes included

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Description

🚗 Silence & Shield: Upgrade your ride’s comfort game!

DRIVE IN SILENCE - Closed-cell foam technology blocks engine, vibration, and friction noise for a peaceful ride.
LIGHTWEIGHT YET TOUGH - Resistant to oil, water, fire, and high temperatures without adding bulk.
GENEROUS COVERAGE PACK - 10 sheets totaling 10.76 sqft to transform your entire vehicle’s sound and heat profile.
VERSATILE INSTALLATION - Fits roofs, hoods, trunks, wheel arches, and more—custom cut for perfect coverage.
ALL SEASON COMFORT CONTROL - Keeps your car cool in summer and warm in winter with advanced heat insulation.

The soikoi 276mil Sound Deadener Mat is a premium aluminum foil heat shield and sound dampening solution designed for cars. With 10 sheets covering 10.76 sqft, it offers superior noise reduction, heat insulation, and moisture resistance. Lightweight and fire-retardant, it’s engineered to enhance driving comfort by blocking engine noise and regulating cabin temperature across all seasons.

Specifications

ASIN	B09W5T6VRF
ASIN	B09W5T6VRF
Best Sellers Rank	#16,121 in Automotive ( See Top 100 in Automotive ) #42 in Automobile Insulation
Brand Name	Infun
Coverage	10.76 sqft
Customer Reviews	2.6 2.6 out of 5 stars (2)
Customer reviews	2.6 2.6 out of 5 stars (2)
Date First Available	7 May 2022
Included Components	NO
Item Dimensions L x W	39.9L x 24.9W centimeters
Item Thickness	2.76 Inches
Item Type Name	non
Item model number	DL-LB07-4025
Manufacturer	soikoi
Manufacturer	soikoi
Manufacturer Part Number	DL-LB07-4025
Material Type	Aluminum
Model Number	DL-LB07-4025
Product Dimensions	39.88 x 24.89 x 0.1 cm; 381 g
Recommended Uses For Product	for cars
UPC	796917472954
Unit Count	1.0 Count

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