[Top 7] Best Sound Deadening Material For Car Roof

According to most scientists, the primary cause of hearing loss is not aging but noise. Hearing noise constantly can cause mental, physical, and hearing problems. So you must avoid unwanted noise as much as possible.

Unfortunately, car drivers are exposed to much noise while driving on highways. The noise includes traffic, noise from another vehicle, engine turbulence, and wind. 

This noise can be pretty frustrating and annoying while driving on the road. If you are facing such a situation, installing a sound-deadening material can be an excellent solution. It is an insulating material that can reduce unwanted noise inside the car.

The sound-deadening material usually consists of foam, fiberglass, or fiber. You can place it on the roof of the car to reduce noise.

Various sound-deadening materials are available in the market, which may confuse you when buying. Well, you don’t need to worry about it.

The article lists some of the best sound-deadening materials for car roof. So, you can keep reading this article to know more about this information.

What Is Sound Deadening Material?

The sound-deadening material can minimize the noise. It is usually used in offices and buildings for noise reduction. But you can use them on your car roof for lessening noise.

Sound-deadening material acts as a barrier between the car structure and the noise. You will find numerous sound-deadening materials, and the materials vary in their sound-dampening qualities. 

For example, if we talk about foam sound-deadening materials, they are incredibly lightweight, porous, and can absorb noise.

Fabric sound-deadening materials are also quite soft and reduce noise. Mass-loaded vinyl is thick, denser, and quite efficient in absorbing sound waves.

Buying Guide For Best Sound Deadening Material For Car Roof

Soundproofing your car is not an easy thing. You have to keep various things in mind to soundproof your vehicle. So, we have listed a few things you need to remember while purchasing sound-deadening material for car roofs.

1. Sound insulation

First, check the sound-insulating properties of any sound-deadening material you purchase. The material should be able to reduce most of the unwanted noise entering from the car roof.

2. Weight

The next thing you have to consider is weight. Heavy materials absorb noise effectively in comparison to lighter materials.

3. Thermal Insulation

The sound-deadening material you will buy should have thermal insulation properties. It helps keep your car cool in the hot months and warm in the cold winter months.

4. Installation Process

The material you will buy should be easy to install even though you have no experience. It should come with a set of instructions, which must be pretty easy to follow.

5. Durability

The material you need to buy to reduce sound inside the car should be durable, i.e., it should exist long after installation.

6. Density Of The Material

Try to purchase denser material as it has better sound-absorbing capabilities.

7. Odor

Some sound-deadening materials have pretty unpleasant odors. We will never recommend to purchase those products.

You must buy sound-deadening materials that have a neutral or pleasant smell.

Best Sound Deadening Material For Car Roof

1. KILMAT 80mil 36 sq. feet car sound Deadening mat 

The Kilmat sound-deadening mat helps to reduce road noise, squeaks, rattles, and vibrations. Before installing the mat, clean and degrease the car roof surface. Allow the surface to air dry thoroughly after cleaning. 

Cut the KILMAT sound-deadening mat to the desired size with a stationary knife or scissors. Ensure that the mat covers the entire roof surface.

Now peel the adhesive paper and install it on the car roof. Flat it with your hands to remove all the air bubbles from the underside. You can use a roller to roll out the flat surface until it becomes smooth and flat. We will recommend using gloves at the time of the installation process.

The KILMAT sound-deadening mat is available in 34 sheets. It covers almost 36 square feet of area, which is quite beneficial. The handy size sheets make it easier for you to cut and install it.

Another great thing is that you can use this mat not only on the car roof but also in other places like the firewall, rear deck, rear door, front wheel wells, door, and many more. 

Overall, this mat can help to soundproof your car completely. It has a total weight of 0.5 lbs per square foot, ensuring good sound-absorbing capability.


  • Nominal thickness is 80 mil
  • The total coverage area is 36 square feet.
  • The number of sheets is 34
  • Roller is not included in this package
  • Multipurpose
  • Each sheet size is 9.8W*15.7L inch.
  • Holds up in both high and low temperature


  • Easy installation process
  • Perfect for beginner
  • Covers larger area


  • Asphalt odour

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2. Noico 80 mil 36 Sq.feet Sound Deadening Mat

Noico is the next famous brand that produces sound-deadening mats for automobiles. You can use the Noico sound-deadening mat not only on car roofs but also on firewalls, trunks, doors, and wheel walls.

The mat is 80 mil thick and can cover approximately 36 square feet. You will find nine sheets in the package, and the roller is not included.

We have discussed above that the thicker the mat, the better it will absorb sound. Fortunately, this mat is 80mm thick, so they are good enough to absorb the road noise and wind.

The installation process is quite easy. However, you need to wear gloves during the installation process.

Your first step should be to clean the car roof thoroughly. Degrease the surface and allow it to dry thoroughly. You can then peel the protective film and install it on the car roof. You have to smoothen it out to remove the air bubbles. 

Try to use a roller for flattening the mat on the car roof. The company ensures that the Noico sound deadening mat has good adhesion and greatly absorbs the vehicle’s road vibrations and rattling, enabling a smooth and comfortable driving experience.


  • Cost-effective
  • 80 mil thickness
  • It covers 36 square feet 
  • Easy installation
  • Special indicator for the correct installation process
  • It has a total weight of 0.7lbs per square feet
  • Nine sheets are included.
  • Each sheet measures 29.5*19.5 inches. 


  • Road noise and the noise from passing cars are reduced after applying this mat.
  • It works well for low-frequency vibrations.


  • The installation process may take longer time.
  • The product is meant only for thin, flat surfaces inside the car.

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3. Dynamat 10455 Thick Self-Adhesive Sound Deadener

The Dyanmat thick self-adhesive sound-deadening mat is another great option you can use not only on the car roof but also in other places like the trunk lid, hatch lid, hood, and many more. So, in short, this mat helps to soundproof the car completely.

The mat helps to reduce resonance, noise, and vibrations so that you can peacefully ride on highways. They are pretty easy to install. You just have to peel and then stick it on the car roof. You will get a total of 9 sheets in the package. 

The nominal thickness is 67 mil, so it will not perform best in absorbing sound. The sheets will cover approximately 36 square feet of the car, which is a great advantage.


  • Nominal thickness is 67 mil
  • A total of 9 sheets in the package
  • Peel and stick installation
  • Thin and flexible
  • Sound dampening qualities
  • Thermal barrier


  • Multipurpose
  • Easy installation process
  • Large and practical for most of the cars.


  • The nominal thickness is a bit less.

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4. Car Insulation Sound Deadener & Heat Barrier Mat -Automotive Light Weight And Thermal Insulation 

Car insulation is another famous brand that produces excellent and efficient products. The sound-deadening mat made by this company has a nominal thickness of 250 mil, which is relatively higher than other sound-deadening mats. 

It covers almost 40 square feet, which is beneficial for your car. You can use this mat not only on car roofs but also in other places like doors and firewalls. 

So briefly, this mat can help to soundproof your car completely. The mat comprises a polyethylene closed-cell reinforced foam core that is lightweight, flexible, and blocks 97 percent of radiant heat.

 It helps to keep you warm in winter months and cool in summer months. The car insulation is ¼ inches and weighs 0.04 lbs per square foot. There is no adhesive in this product. But you can use various options for installation, like double-sided tape, glue, or spray adhesive.


  • It comprises of polyethylene material.
  • It blocks 97 percent radiant heat.
  • It controls heat and minimizes vibrations.
  • Lightweight and flexible
  • Overall nominal thickness is ¼.”
  • No adhesive is required for installation.
  • It comes with a single sheet.
  • It covers almost 40 square feet.


  • A good option for large cars
  • Absorbs sound


  • You need to cut it into small pieces.

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5. Siless Black 50 mil 52 Sqft Sound Deadening Mat

Are you thinking of using sound-deadening material in your car roof but afraid of its installation? If yes, you must purchase Siless Black 52 square feet sound deadening mat. 

The best thing is you don’t need to use any spray-on paint or heat gun required to install the product. You have to peel and stick on the car roof. You can even use these mats in other places like car trunks, floors, trunk lids, doors, wheel walls, and hoods.

The sound-deadening mat is approximately 52 square feet and has a 50-mil thickness. The mat helps stop rattle and vibrations from entering the car. The mat is odorless, waterproof, and acts as a thermal barrier.

Siless sound-deadening mat costs only $1.16 per square foot. So, it is relatively cost-effective compared to other sound-absorbing mats available. 

The mat comprises Bmastic, the most advanced and efficient sound-absorbing composition on the market. 

The Siless mat is specially designed for automotive purposes. So, buy it to avoid all the unwanted noise that enters inside the car while driving on highways. You will get a set of instructions regarding installation while purchasing.


  • 50mil thickness
  • Covers 52 square feet of area
  • Easy to cut and trim
  • 20 number of sheets in the package
  • It comprises of Bmastic.
  • Odorless
  • Thermal barrier
  • Waterproof
  • Easy to install
  • It is specially designed for the automotive industry.


  • Good adhesion
  • Blocks road noise.


  • Some customers say that it has a little bad smell.
  • The black paint fades away with time, and the silver paint underneath is visible.

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6. HOMCHEK 394mil/10mm Heat And Sound Insulation Mat 

The HOMCHEK sound insulation mat is one of the best mats that help keep your car cool in the summer. It even helps to absorb road noise while driving on highways.

 The best thing is that it has an adhesive layer. Hence, you can easily cut and install it on the car roof.

The HOMCHEK sound insulation mat has the noise insulator properties like rubber foam. The best thing is that it does not absorb water and has almost negligible odor. 

The mat is lightweight and petrol-resistant. It has good sound insulation properties, providing excellent comfort while driving.

You can use them on car roofs, the car floor, firewalls, chassis, trunk room, and lid.


  • Thickness is 10mm/394mil
  • The quantity in the package will be 15 Pieces.
  • It covers an area of almost 16.15 sq. feet.
  • Size is 15.7 inch *9.8 inch
  • 1100 AA grade aluminum surface helps keep your car cool in summer and hot in winter.
  • Strong adhesion
  • Waterproof
  • Petrol resistant
  • Anticorrosion
  • It consists of Aluminum foil and PEfoam
  • Resist temperature within 40 to 149 degrees Celcius.
  • Nontoxic
  • Zero formaldehyde


  • Strong adhesion, i.e., once put in place, is impossible to remove from it.
  • It reduces noise.


  • It does not roll when applying pressure.

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7. SOOMJ Heat Shield Sound Deadening Material

The SOOMJ heat shield sound deadening mat comprises a high-quality trilayer, twin-density lightweight foam laminate. 

You can use this mat not only on the car roof but also on various places on your car like firewalls, floor, wheel walls, door, and hood. So you can soundproof your car entirely with the help of this mat. The company says this mat can resist up to 2000 degrees Celsius temperature.


  • 10mm thickness
  • Easy to cut and install
  • Strong adhesive at the back
  • High noise reduction
  • Thermal and acoustic property
  • Nonflammable
  • The distortion temperature is 200 degrees Celsius
  • It improves stereo sound quality.
  • The mat is 78*39 inches
  • Self-adhesive


  • Easy to install
  • Weatherproof 
  • Reduces noise 
  • Multipurpose.


  • A bit expensive

No products found.

Read More  : 8 Best Soundproof Wall Panels For Bedroom 


Driving while listening to different noises is quite frustrating and annoying. It can also become the reason for accidents.

You can concentrate on driving if you block the unwanted road noise. Installing sound-deadening mats on your car roof is the only way.

We have listed above the best sound-deadening mats for car roof. You can buy any of them and install them on your car roof to block unnecessary noise. It will enable you to improve audio quality inside the car, and thus, you can enjoy it while driving.

FAQ : Best Sound Deadening Material For Car Roof

Q1. How do I soundproof my car roof?

Ans : You can soundproof the car roof by installing sound-deadening mats. It helps to absorb noise that tries to enter your vehicle while driving. Simultaneously, the mat should be able to maintain cool inside the vehicle in the summer season and hot in the winter season.

Q2. How much does the best sound-deadening material cost?

Ans : You must spend between $100 and $300 to purchase the best sound-deadening material. But if you own an SUV, then it will cost you above $300.

Q3. What Are The Benefits Of Using Sound Deadening Materials?

Ans : Sound-deadening materials can absorb road noise and vibrations that forcefully enter inside the car. Additionally, these mats help to improve audio quality in the car while driving on the road.

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