Best Sound Deadening Spray for 2022: Top 15 Picks

Sometimes it might be quite difficult to find the best sound deadening spray. With every niche market offering so many different products, it makes sense that this is the case.

Unfortunately, this very fact can make it incredibly difficult to find the item that best suits your needs, which is why we’ve put together this sound deadening spray buying guide.

Our Best Picks:

15 Best Sound Deadening Spray Reviews:

SaleBestseller No. 1
Design Engineering 050220 Boom Mat Spray-on Sound Deadening to Reduce Unwanted Road Noise and Vibration
  • Reduce unwanted road noise and vibration, even in hard-to-reach places
  • Won't crack or chip; helps prevent rust
  • Paintable in just 6 hours
  • Single can will cover approximately 20 sq. ft.
  • Fit type: Universal Fit
Bestseller No. 2
DEI Boom MAT Spray on for Sound Deadening 18 Oz (2 Pack)
  • Dries to Touch in 20 Minutes, Paintable in 6 Hours
  • Each Can Covers Approximately 20 sq.ft.
  • Enhance Audio Performance
  • Helps Prevent Rust
  • Won’t Crack or Chip
Bestseller No. 3
DEI Boom Mat Spray On Adhesive SIX Pack (050220)
  • Reduce unwanted road noise and vibration, even in hard-to-reach places
  • Won't crack or chip
  • Helps prevent rust
  • Paintable in 6 hours
  • Single can will cover approximately 20 sq. ft.
Bestseller No. 4
Second Skin Audio Spectrum Liquid Sound Deadening Spray and Paint - Water Based Viscoelastic Vibration Damper for Automotive Insulation (1 Gallon)
  • SOUND DEADENING SPRAY: Spectrum liquid sound dampening material is a high heat, water based viscoelastic polymer, formulated and tested by Second Skin to adhere to metal and stop it from vibrating. Stop the vibrations, stop the noise!
  • CAR SOUND DEADENING & INSULATION: Used to dampen vibrations and stop thermal transfer on metal surfaces in all types of vehicles (cars, boats, trucks). Spectrum also works well on metal warehouse carts, sub-woofer boxes, and HVAC ducts. Spectrum works by stopping vibrations. It will NOT block or absorb airborne sound waves.
  • ADVANTAGES OF LIQUID SPRAY: Spray Spectrum into hard to reach places that sound deadening mats have trouble, such as the undercarriage of the car and the wheel wells. Spectrum is temperature rated to 400 F, so you can even use it on the firewall!
  • PAINT OR SPRAY ON SOUND DEADENING: Applied with a paint brush/roller or spray gun and air compressor. We recommend applying two layers of Spectrum Liquid Deadener to a total thickness of 2-3mm (thicker than a quarter). At 2mm thick, 1 gallon covers 20 SF. Max thickness: 5mm
  • PROUDLY MADE IN THE USA
Bestseller No. 5
Design Engineering 050220 Boom Mat Spray-on Sound Deadening to Reduce Unwanted Road Noise and Vibration, 2 Pack
  • Reduce unwanted road noise and vibration, even in hard-to-reach places
  • Won't crack or chip; helps prevent rust
  • Paintable in just 6 hours
  • n addition to being a superior sound absorber and a solution in controlling vibration over a wide temperature range, Boom Mats are also an excellent thermal insulator
  • NOTE: Will cover approximately 20 sq. ft.
Bestseller No. 6
Lizard Skins Sound Barrier, Spray On, Acrylic, Black, 1 gal Bucket, Each (2203-1GAL)
  • Sound Control
  • Part number: LSSC-1GAL
  • Package Weight: 6.35 kilograms
  • Package Dimensions: 12.7 L x 25.4 H x 12.7 W (centimeters)
Bestseller No. 7
Custom Shop Barrier Bond Black Rubberized Undercoating Sound Deadener - 14.3 Fl. Ounce Spray Can (Pack of 6)
  • This Product Is Ideally Suited For Application To Wheel Wells, Trunk Areas, Lower Body Panels And Underbodies
  • Paintable; Compatible With Most Top Coats
  • Ready To Spray; Fast Drying
  • 50 State Voc Compliant
  • Box of 6 Cans
Bestseller No. 8
Design Engineering 050220 Boom Mat Spray-on Sound Deadening to Reduce Unwanted Road Noise and Vibration, 4 Pack
  • Reduce unwanted road noise and vibration, even in hard-to-reach places
  • Won't crack or chip; helps prevent rust
  • Paintable in just 6 hours
  • n addition to being a superior sound absorber and a solution in controlling vibration over a wide temperature range, Boom Mats are also an excellent thermal insulator
  • NOTE: Will cover approximately 20 sq. ft.
Bestseller No. 9
Second Skin Spectrum Made in The USA Liquid Sound Deadener - 2 Gallon + Spray Gun/Bottle + Wire Tape + Plasti Wrap Bundle
  • Kit includes 2 gallons of Spectrum liquid deadener (40 sq ft coverage), a spray gun, a bottle, plastic masking wrap, and wire tape.
  • Spectrum is a high heat, water based viscoelastic polymer damper formulated by Second Skin with mica, talc, calcium and crushed rubber to reduce resonance and thermal transfer.
  • Virtually odorless when wet. No odor or harmful vapors once cured
  • Heat rated to 400 degrees F
  • Proudly MADE IN THE USA
SaleBestseller No. 10
Rust-Oleum 248656 Professional Grade Rubberized Undercoating Spray, 15 oz, Black
  • Perfect for use on bare or primed metal underbodies of cars, trucks, trailers, RVs and more
  • Professional-grade formula provides superior protection against corrosion and damage from water, salt and other chemicals
  • Dries to the touch in 1 hour and covers up to 10-15 sq. ft. per can
  • Undercoating helps deaden sound and reduce damage to parts
  • Features a wide, comfort spray tip and any-angle spray technology for easy painting even upside down
Bestseller No. 11
3M Professional Grade Rubberized Undercoating, Corrosion, Water and Salt Spray Resistant, 03584, 16 oz. Aerosol
  • MULTI-PURPOSE UNDERCOATING may be applied to cars, truck and recreational vehicles
  • SOUND DEADENING PROPERTIES help reduce road noise
  • ASPHALT-BASED product is excellent for wheel wells, quarter panels, interior fenders, under the hood and more
  • PROTECTS THE UNDERCARRIAGE of vehicles from rust and abrasion
  • AEROSOL DISPENSER allows for easy spray-on application
Bestseller No. 12
Acousti Coat - Sound Deadening Paint - 1 Gallon
  • Acousti-Coat is a thick, soft coating designed to act as a 'sound sponge'. Deadens sound within the area / room the sound is created in. For sound coming from other areas, use our SC 1000. Use Acousti Coat and your neighbors hear you less. Use SC 1000 and you hear your neighbors less.
  • Product is designed to reduce echo and uncomfortable high frequency sounds. Ideal for home theaters, offices, meeting rooms, churches, convention areas, concert halls, etc
  • Coverage is 50 square feet per gallon for the minimum two coats required. This means unless you are applying to a small 50 square foot area, one gallon isn't enough.
  • ThermaCels included in this paint! This provides insulation properties as well. Do not add additional ThermaCels additive to this product.
  • White Flat Finish. Can be tinted using universal colorants, to light or medium shades. If a darker color is required it can be painted over but a very cheap flat interior paint must be used. Using a high quality paint will seal the surface of the 'sound sponge' and diminish results.
Bestseller No. 13
LizardSkin 50115 Sound Control Ceramic Insulation - 2 Gallon
  • Country of Origin : United States
  • Fit type: Vehicle Specific
  • Package Weight: 25.1 pounds
  • Package Dimensions: 34.544 L x 27.177 H x 36.576 W (centimeters)
Bestseller No. 14
3M Rubberized Undercoating Aerosol Spray, 08883, 19.7 oz, Textured Finish, Anti-Corrosive, Multi-Purpose for Automotive Cars, Trucks, and Recreational Vehicles
  • MULTI-PURPOSE: Non-paintable spray may be applied to cars, trucks, vans, and recreational vehicles
  • NOISE REDUCING: Helps reduce road noise with its sound dampening properties
  • ANTI-CORROSIVE COATING: Protects vehicle undercarriage from rust and abrasion with anti-corrosive coating
  • SPRAY ON: The aerosol dispenser allows for easy spray-on application
  • TEXTURED FINISH: Provides a consistent appearance with a medium to coarse textured finish
SaleBestseller No. 15
Rust-Oleum 248657 Rubberized Undercoating Spray, 15 oz, Black
  • Perfect for use on bare or primed metal underbodies of cars, trucks, trailers, RVs and more
  • Rubberized formula protects against corrosion and damage from water, salt and other chemicals
  • Dries to the touch in 30 minutes and covers up to 10-12 sq. ft. per can
  • Undercoating helps deaden sound and reduce damage to parts
  • Features a wide, comfort spray tip and any-angle spray technology for easy painting even upside down

Last update on 2022-11-27 / Affiliate links / Images from Amazon Product Advertising API

How to find the best sound deadening spray?

Here, we’ll be going over a number of factors that you can use to ensure that you’re purchasing the best sound deadening spray for you.

Regardless of which type of item you’re looking to buy, chances are that there are existing buying guides on the internet, all of which aim to give you good sound deadening spray recommendations.

Despite these recommendations, however, it’s always a good idea to do your own research. In addition to this research, asking yourself the following questions is also super helpful:

  • What features does the sound deadening spray need to have to be perfect for my needs?
  • What is my budget?
  • Do I need to purchase a certain brand?

Once you’ve answered these questions and have a good idea of what you’re looking for and the buying process becomes much easier. Keep in mind that when looking for the best product, there’s no need to rush. In fact, very rarely are the ideal products found by choosing the first one you see or by basing your decisions on only one factor. Take your time and enjoy the process!

Now, with the answers to the previous questions in mind, we urge you to use our upcoming buying guide for sound deadening spray to find what you’re looking for:

Brand

In some cases, the brand of sound deadening spray is very important. For example, if you’re looking for an item that works in tandem with another, you might very well need both products to be the same brand. If this is the case, it’s vital to pay attention to this factor, as choosing the wrong product can mean the difference between wasting your money and buying a great product that functions as it should.

Features

The features in any given sound deadening spray are important because they can dictate which version of an item you need and how much money you need to spend. Consider all the key features that you want your item to have and don’t settle for anything that doesn’t check at least ¾ of your boxes.

Reviews

Customer reviews about sound deadening spray are crucial – especially when you’re buying a product that costs a lot of money or serves a big importance. Luckily, most products can be found online, which means that it’s common for there to be scores of customer reviews from those who have already purchased any given product.

Pay attention to these reviews. Take note of the pros and cons that they mention, and factor these into your big decision. In some cases, you’ll be forced to sacrifice one con in order to gain a particular pro, but being aware of the potential con is going to be beneficial in either case.

Quality

Of course, quality is key. You don’t want to purchase a low-quality product. If you do, you run the risk of your item breaking, not working properly, or otherwise proving to be very disappointing, as well as a waste of money.

You can compare sound deadening spray quality by researching what your potential purchases are made from, contrasting the individual items against each other to discern which one is made of the best materials.

Warranty

Warranty isn’t always going to be important, but it definitely can be. This is especially true if the item in question is tech-related or expensive. A good warranty will be valid for an extended time after purchase and cover a variety of problems ranging from item defects to random accidents, water damage, and other miscellaneous events that could ruin your product.

Conclusion

The quest to find the best sound deadening spray can be daunting – but it doesn’t have to be. It can be made much easier by asking yourself a few simple questions and then thinking critically about the items you want to buy. Consider their features, quality, brand, warranty, and customer reviews and you’re more likely to make a great purchase.