The 10 Best Sound Deadening Materials for Car

The top 5 products for which we spent the most time researching are listed below, along with an overview of their benefits and drawbacks.

1. Best Overall: KILMAT 80 mil 36 sqft

2. Best Budget: KILMAT 50 mil 50 sqft

3. Best Material: Nogevo 197mil(5mm) 18sqft

4. Best Durability: Siless Liner

5. Best Design: Car Sound Deadening Material Mat

1. KILMAT 80 mil 36 sqft

View on Amazon

Product Summary

This sound deadening is a heavy, flexible material that is typically installed in the doors, trunk, and floor of a car. It has excellent soundproofing capabilities and is effective at reducing airborne noise and vibrations.

Specification

• The cost effective 80 mil automotive butyl and foil sound deadening! You are not just buying an excellent quality product but also saving more than 20% comparing to competitors as well!
• Now the material is 1,5 times thicker that will get you 1,5 times more effective insulation. The thicker the material the more performance you get! more

Reasons to buy

• Reduces unwanted noise and vibrations.
• Can improve audio quality by reducing echoes and reverberation.
• Provides a more comfortable and enjoyable living or working environment.

Reasons to avoid

• Can add additional weight to the car, which can negatively impact fuel economy and handling.

2. KILMAT 50 mil 50 sqft

View on Amazon

Product Summary

A self-adhesive material that is easy to install and provides excellent noise reduction properties. It's typically used in the doors and trunk of a car, and can also be applied to the floor and roof.

Specification

• The cost effective 50 mil (1.3 mm) automotive butyl and foil sound deadening! You are not just buying an excellent quality product but also saving more than 20% comparing to competitors as well!
• Now everyone can easily eliminate the annoying road noise in the vehicle. We've designed the product that pretty efficiently handles the rattle and reduces noise while being affordable to almost everyone. KILMAT would deaden the entire car for the same money that would be enough to only insulate the doors using the expensive brands material. more

Reasons to buy

• Can increase privacy by blocking out unwanted noise.
• Can improve concentration and productivity in cars.
• Can reduce stress and fatigue by creating a quieter atmosphere.

Reasons to avoid.

• Installing sound deadening material can be a difficult and time-consuming process, especially for those who are not experienced with car modifications.

3. Nogevo 197mil(5mm) 18sqft

View on Amazon

Product Summary

Lightweight, porous material that is often used in recording studios and home theaters. It can also be used in cars to absorb high-frequency sounds and reduce echoes and reverberation.

Specification

• [Composite 2in1 Material, Meet the Double Requirement of Sound & Heat Insulation] Nogevo car sound deadener is composed of 157mil foam and 50mil butyl. The internal structure of coarse cellular foam can better reduce the transmission of sound and heat. Butyl mainly plays the role of vibration dampening and sound insulation. Only this product can achieve the double sound and thermal insulation which now has to be purchased separately from two materials on the market. Nogevo, save money and labor.
• [High-quality Materials, Safe and Dorles] Nogevo automotive sound deadening mats use high-quality materials, which can not only achieve 98% sound and thermal insulation, but also has the characteristics of safe, dorles, waterproof, strong adhension and not easy to tear. Nogevo, use with confidence. more

Reasons to buy

• Can reduce the transmission of airborne sound between spaces.
• Can improve the ride comfort of vehicles by reducing road noise and vibrations.
• Can increase the resale value of a vehicle by improving its interior acoustics.

Reasons to avoid

• May not fit in all car.

4. Siless Liner

View on Amazon

Product Summary

This is a denser type of foam that is effective at reducing vibrations and noise. It's typically installed in the doors, floor, and roof of a car.

Specification

• Closed Cell Foam: OIL and Waterproof LINER closed-cell polyethylene foam is the best for car, Siless with an adhesive layer 100% ensures optimum efficiency and thermal insulation that could be possibly gained. The price of 1 sqft of Siless Liner with similar characteristics is more then three times cheaper! Excellent quality for less money!!
• Heat Blocker and Vibration Deadener: Effectively blocks 98% of radiant heat transfer. Siless Liner is a very versatile insulation material with excellent thermal barrier properties that will block engine, exhaust, & summer heat, ensure your vehicle stays cooler in the summer and warmer in the winter, making your ride more pleasant! more

Reasons to buy

• Can greatly reduce the amount of noise that enters the cabin of a car, making for a more peaceful driving experience.
• By reducing road noise, sound deadening material can improve the quality of the audio from the car's sound system.
• A quieter and more comfortable environment can lead to less driver fatigue and an overall more enjoyable driving experience.

Reasons to avoid

• May not be able to completely eliminate all types of noise, depending on the frequency and source.

5. Car Sound Deadening Material Mat

View on Amazon

Product Summary

A thick, flexible material used to line the doors, trunk, and floor of a vehicle. It is extremely soundproof and good in reducing airborne noise and vibrations.

Specification

• ★Insonorizzante mats (closed cell PE foam) with waterproof glue. Thickness 197 mil / 5mm. Pack of 8(single piece 1.09 sqft). Total coverage area - 8.72 ft², working Temperature Range: -40°F ~ 300°F
• ★Sound deadening mat is an insulating material with a highly compressible closed-cell foam formula. Effectively blocks 98% of radiant heat transfer, will block engine, exhaust and summer heat, ensure your vehicle stays cooler, reduce the energy consumption of car air conditioners, so as to achieve the goal of fuel saving more

Reasons to buy

• Can also provide additional insulation for the car, helping to keep the cabin warmer in the winter and cooler in the summer.
• By reducing vibrations, sound deadening material can also help to reduce the amount of rattling and squeaking that can occur in a car.
• Can also reduce wind noise, making for a more pleasant driving experience on the highway.

Reasons to avoid

• May not be effective for all types of noise.

Type of Material

There are numerous sorts of sound deadening materials to select from, as described in our earlier piece. When choosing a material, consider the sort of noise you want to decrease, the regions of the automobile that need to be treated, and your budget.

Thickness 

The thickness of the material will affect its soundproofing capabilities. Thicker materials, like mass loaded vinyl, are generally more effective at reducing noise and vibrations.

Adhesive 

Look for materials that have a strong adhesive backing for easy installation. Some materials, like butyl sound deadener, are self-adhesive and can be easily applied to the surface of the car.

Coverage 

Consider how much surface area you need to cover in your car. Some materials come in small sheets or rolls, while others come in larger sheets for larger coverage areas.

Compatibility 

Make sure the sound deadening material you choose is compatible with your car's interior and won't cause any damage or discoloration.

Installation Difficulty 

Consider the difficulty of installation and whether you'll need professional help. Some materials may require specialized tools or techniques for proper installation.

1. Will sound deadening material completely eliminate all road noise in my car?

   While sound deadening material can greatly reduce road noise and vibrations, it may not completely eliminate all noise. Factors such as the type of road surface and wind noise can still contribute to overall noise levels in the car.

2. Can I install sound deadening material in my car myself, or do I need a professional?

   Many sound deadening materials can be installed by a car owner with basic tools and some knowledge of the process. However, some materials may require specialized tools or techniques, so it's important to research the specific material you plan to use and make sure you're comfortable with the installation process before proceeding.

Overall, cars sound deadening material can improve the driving experience by lowering the amount of noise and vibrations that enter the cabin, resulting in a calmer and more pleasant atmosphere. This can result in less driver fatigue, greater audio quality, and a more pleasurable driving experience overall. However, before settling on a sound deadening material, consider considerations like as cost, weight, and the unique demands of your car. Installing sound deadening material in your car can be a do-it-yourself effort for some, but for others, expert assistance may be required. Sound deadening material, with the correct material and installation, may be a beneficial investment for any car owner wishing to improve their driving experience.

See more reviews here: Best 6.5 Car Speakers