Does Kilmat acts as a heat barrier?

Kilmat 50 mil does reduce the noise, rattles and vibrations of the metal of the car. It does possess thermal insulation properties as well but to significantly lesser extent. Its primary designation is vibration control. We recommend you to look for some closed cell foam materials for heat insulation.

Will 50 sq.ft. cover the full trunk of a 78 buick regal

50 sq ft is a 10x5 area so yes it will. You should have plenty left over for another area

For application to underside of car hood, should I also use a spray adhesive?

There should not be a problem adhering Kilmat 50 mil to the underside of the hood without using additional spray adhesive, thus we do not recommend any additional spray adhesives. Make sure to clean and degrease the surface prior to installation.

If I'm taking the carpet out of my vehilce to put the Vinyl flooring, would this be going under it ?

I assume that you are talking about replacing your auto carpet with a factory preformed vinyl mat. Regardless, this product will assist in "quieting" down the road noise and heat from your vehicle. Yes, it should be applied directly to your stripped and clean floor board to get a better adhesion. After installing, lay your new vinyl mat down and secure at the door sill. I used this material in the roof, inside the doors and the back wall of the cab of my 61' Ford unibody pickup. It's amazing the difference how effective the KILMAT performs. I highly recommend it !

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KILMAT 50 mil 50 sqft Car Sound Deadening Mat, Butyl Automotive Sound Deadener, Audio Noise Insulation and dampening

KILMAT 50 mil 50 sqft Car Sound Deadening Mat, Butyl Automotive Sound Deadener, Audio Noise Insulation and dampening

Product ID: 46486726

Details

Brand
KILMAT
Item Thickness
50 mils
Material
Butyl
Product Dimensions
15.7"L x 9.8"W
Recommended Uses For Product
Sound

📏50 mil (1.3 mm) thickness for max noise block

📐50 sqft coverage with easy-to-cut sheets

🧲Super sticky self-adhesive butyl backing

238487CFA

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔇 Silence is the new luxury—upgrade your ride’s vibe now!

CUSTOMIZABLE COVERAGE - 47 pre-cut sheets sized for easy handling and tailored application.
PRO LEVEL FIT ASSURANCE - Unique foil embossing ensures perfect, professional installation every time.
EFFORTLESS DIY INSTALLATION - Self-adhesive butyl backing sticks instantly—no mess, no fuss.
PRECISION THICKNESS MAXIMUM SILENCE - 50 mil thickness engineered to crush road noise and rattles.
LIGHTWEIGHT YET HEAVYWEIGHT PERFORMANCE - Only 0.35 lbs/sqft for optimal sound insulation without added bulk.

KILMAT 50 mil Car Sound Deadening Mat delivers professional-grade noise insulation with a thick 1.3 mm butyl layer and foil backing. Covering 50 sqft in lightweight, easy-to-install sheets, it’s designed for DIY enthusiasts seeking to eliminate road noise and rattles efficiently. The unique embossing guarantees perfect installation, making your vehicle’s cabin a quieter, more premium space.

Specifications

ASIN	B0751G6TMV
Best Sellers Rank	#166 in Automotive ( See Top 100 in Automotive ) #1 in Automobile Insulation
Brand Name	KILMAT
Coverage	50 square foot
Customer Reviews	4.8 4.8 out of 5 stars (26,579)
Global Trade Identification Number	00857195006146
Item Dimensions L x W	15.7"L x 9.8"W
Item Thickness	50 mils
Item Weight	17 pounds
Manufacturer	KILMAT
Manufacturer Part Number	KLM5050
Material Type	Butyl
Model Number	KLM5050
Number of Items	1
Number of Packs	1
Recommended Uses For Product	Sound deadening
UPC	857195006146
Unit Count	50 Square Feet

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