Roof and floor of truck, do i need to put on top of butyl or will this work by itself?

Thank you for your question. For floor and roof installation, we always recommend Siless 80 mil first and then Siless Liner 157 mil on the top of it.

Will this work on the underside of the car as a heat barrier/shield from the exhaust

I think the foam would melt or burn and get too hot if it was real close to the exhaust pipe underneath the car. probably wouldnt stick well to the dirty underside anyway. However, if you apply it on the inside of car body above the exhaust area you will lessen the flow of heat (and noise) into the interior. You can also apply several layers to increase the R value.

Would this work goodon my van walls

Thank you for your question. Yes, it will be good for your van walls.

What is the thickness of the foam? Could it be cut into a one or two inch strip and wrapped around a 3" tube? Does it scratch easily?

It is 157 Mil 37.5 Sqft. Yes, you could cut it into one or two inch strips. It has self adhesive side, and you can install it around a 3" tube. It is not easy to scratch it, but everything depends on the environment where you install it.

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Siless Liner 157 mil (4 mm) 36 sqft Aluminum Foil Finish Car Sound Deadening & Heat Insulation Closed Cell Foam - PE Foam Sound Deadener

Product ID: 203177496

Details

Brand
Siless
Item Thickness
4 Millimeters
Material
157mil Closed
Product Dimensions
330.7"L x
Recommended Uses For Product
Vehicle and

💧100% waterproof & odorless

📏4mm thick closed-cell foam

🛡️98% radiant heat blocked

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚗 Silence & Coolness, Engineered for the Modern Driver

PRECISION THICKNESS - 4mm closed-cell PE foam ensures superior sound deadening and insulation performance.
VALUE PACKED COVERAGE - 36 sqft per roll delivers premium quality at over 3x less cost than competitors—upgrade your car without breaking the bank.
WATERPROOF ODORLESS - Advanced closed-cell foam repels moisture and stays fresh without any unwanted smells.
EFFORTLESS INSTALLATION - Self-adhesive backing and flexible foam make application quick and hassle-free, with or without a roller.
ULTIMATE THERMAL SHIELD - Blocks 98% of radiant heat to keep your ride cool in summer and warm in winter.

Siless Liner is a 4mm thick, closed-cell polyethylene foam with an aluminum foil finish designed for automotive sound deadening and heat insulation. Covering 36 sqft per roll, it blocks 98% of radiant heat, is fully waterproof, odorless, and features a self-adhesive backing for easy installation. Rated highly by users, it offers premium performance at a fraction of the cost of similar products.

Specifications

ASIN	B085642G7M
Best Sellers Rank	#6,441 in Automotive ( See Top 100 in Automotive ) #12 in Automobile Insulation
Brand Name	Siless
Coverage	36 square foot
Customer Reviews	4.6 4.6 out of 5 stars (1,386)
Item Dimensions L x W	330.7"L x 15.74"W
Item Thickness	4 Millimeters
Manufacturer	SILESS
Manufacturer Part Number	SLF36
Material Type	157mil Closed Cell Foam
Model Number	157 mil 36 sqft
Recommended Uses For Product	Vehicle insulation and soundproofing
UPC	753068062380
Unit Count	36 Square Feet

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