Is Sound Deadening Spray the Answer to Your Prayers?

Using Sound Deadening Spray for Car Audio

Is your engine noisy? Do you hate having to hear your car going over every bump? These, and other kinds of car audio can be irritating and could even distract you as you drive.

To insulate the interior of your car from these noises, many drivers have resorted to various sound-insulating methods, one unconventional option being sound deadening spray for car audio.


Can I Use Sound Deadening Spray for Car Audio?

Yes, you can use sound deadening spray for insulating car audio. It’s an excellent option that will provide more sound insulation and higher sound quality for a variety of reasons:

Easy to Use

Sound Deadening Sprays Are Easy to Use
Instagram/Matthew Hildebrand

Sound deadening spray can be used by anyone, not just experts. The sound-deadening spray is sprayed on all the bare metal of the interior surfaces of the car. The spray is used on the engine compartments and undercarriage since it can withstand high temperatures.

There are no complicated manuals, heavy labor, or areas that are too hard to reach. This fact leads us to our next point:


Sound Deadening Spray Reaches All Areas for Even Application

Because the sound-deadening spray is applied as pressurized droplets, it can reach even the hard-to-reach corners, hidden curved surfaces, and the gaps left behind after laying mats. This far-reaching quality of the sound-deadening spray for car audio makes for easy, even application.


Effective Sound Insulation

Sound Deadener Spray for Effective Sound Insulation
Instagram/Second Skin Insulation

The sound deadening spray provides a liquid, soundproofing layer on the vehicle. Although it may sound strange to have spray as a sound insulator, it’s quite possibly one of the best options in the market. Science saves the day yet again!

Once applied to all the necessary interior surfaces, the sound deadening spray is highly effective. It eliminates any unnecessary vibrations, engine sounds, rattles, and squeaks. It is just as good as a sound-insulating mat, but with extra advantages.


Offers Heat Insulation

In addition to damping out unwanted sounds as you drive your car, the sound deadening spray also provides thermal insulation.

The sound deadening spray acts as a thermal barrier between the interior and exterior of the car. This thermal insulation helps keep excess, unwanted heat out of the car’s interior. It also retains all the warmth within the car from dissipating in cold weather. By keeping warmth in and excess heat out, the sound deadening spray moderates the interior temperature of the car.


Protects Vehicle from Wear and Tear

sound deadening spray protects vehicle interior

Not only does the sound deadening spray insulate against sound, but also the elements. The liquid layer solidifies and creates a barrier that keeps out sound, heat, and physical damage.

This spray protects car speakers and interiors from rust by keeping out moisture and insulating temperature. It then protects the car’s interior from scratches and mild burns by forming a durable, protective coating.


Sound Deadening Spray is The Cheapest Option

Sound deadening mats and other sound suppressor materials are generally more expensive than sound deadening spray for cars.

Sound deadening spray can go for as little as $12, while sound dampening mats can run drivers up to a whopping $74. This massive price difference and the additional benefits that come with sound deadening spray render it an affordable and effective sound insulation solution.



Sound dampening spray is a cost-effective, easy-to-use solution for all unwanted car audio infiltration concerns. The spray is also multi-purpose and gives longevity to the interior design of your car. There is no way you can go wrong with sound deadening spray for car audio.