What’s The Best Car Undercoating Spray in 2018?

Car Undercoating Spray

The most vulnerable part of your car is its undercarriage. The underside of your car is prone to flying rocks, potholes, and various other stimuli, putting it in direct danger every time it hits the road.

But fortunately, there are some things which can be done to protect the underside of your car.

One preemptive measure you can take is to spray the underside of your car with car undercoating spray.

Car undercoating spray is essentially a liquid that dries on to the underside of your car, giving it a shiny, black appearance as well as a sort of protective barrier.

Looking for the best car undercoating spray on the market? If so, read on!

Compare the Top Ten Best Car Undercoating Sprays of 2018

What to Consider When Choosing a Car Undercoating Spray

While car undercoating sprays might seem as though they’re all the same, there are some differences between them. In order to choose the undercoating spray that is right for you, you must take these differences into consideration.

When attempting to make a purchase, pay attention to differences in volume of spray, functionality, durability, and any special features that sprays may possess.

Volume

Car undercoating sprays come in containers of all different sizes. Whereas some come in small bottles of 12 ounces, others come in large jugs of 1 gallon.

Neither size is better than the other. It’s just important to consider how much you’ll need in the near future, and to buy accordingly.

Functionality

When it comes to overall functionality, all undercoating sprays are a little different.

At the bare minimum, they should be able to provide some reinforcement to the undercarriage of your automobile.

Added functionality includes everything from sound deadening, to aesthetic enhancement, and more.

Durability

Whereas some undercoating sprays can make it through about a year without wearing off, others can only make it a few months.

Keep an eye out for an undercoating spray’s durability capabilities. It’s better to spend more money initially than to have to constantly apply your spray.

Special Features

For the most part, car undercoating sprays are fairly basic. They do the job of reinforcing your car’s undercarriage, and not much more. However, some are adept at lessening the amount of noise that makes its way into your car. By essentially closing up the bottom of your car, they do a lot to eliminate road noise.

Number 1

CRC 05347 Rubberized Spray Undercoating

CRC 05347

See Price on Amazon

The Breakdown

  • Offers terrific sound deadening qualities
  • Sprays on smoothly and dries in mere seconds
  • Possesses a shiny black color which is aesthetically stimulating
  • Comes in spray cans of 16 ounces

The first car undercoating spray we’ll review is also very arguably the best car undercoating spray on the market today.

The CRC 05347 Rubberized Spray Undercoating comes in 16-ounce spray bottles, and offers quite a bit in the ways of protection and sound deadening.

This spray goes on smoothly and dries in just a couple of seconds. This keeps it from dripping and sagging. Possessing a shiny black color, it looks as good as it performs. This makes it great for car enthusiasts who prioritize aesthetics.

It eliminates the vast majority of road noise that might make its way into your car, making for a generally peaceful drive.

Available for a mid-level price, this is certainly in the argument for best car undercoating spray around.

Number 2

3M 03584 Professional Grade Rubberized Undercoating

3M 03584

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The Breakdown

  • Sprays on with a shiny and black color which is very appealing aesthetically
  • Offers superb protection from flying rocks and such
  • Provides excellent sound deadening qualities
  • Comes in spray cans of 16 ounces

The next undercoating spray up on our list is the 3M 03584 Professional Grade Rubberized Undercoating. This coating is right on par with the CRC reviewed above, possessing a similar price tag, and offering much of the same in the ways of protection and sound deadening.

Like with the CRC, this undercoating dries on with a dark, shiny, black color that is very stimulating aesthetically. This makes it terrific for car enthusiasts who greatly value the appearance of their cars.

It creates a consistent and solid barrier on the underside of the car, preventing any damage from rocks, and keeping out any undue noise.

All in all, this is a fantastic car undercoating spray. Coming in 16-ounce spray bottles, it’s good for a full application or two.

Number 3

Rust-Oleum Automotive 254864 32-Ounce Professional Undercoating

Rust-Oleum

See Price on Amazon

The Breakdown

  • Comes in a 32-ounce can
  • Must be applied with the use of a brush
  • Offers exceptional sound deadening capabilities
  • Provides the undercarriage of your car with a strong barrier

This next undercoating spray is a little different than the first two in that it doesn’t come in a spray bottle, but a can. However, it’s still of very high quality, and is capable of providing a strong barrier to the undercarriage of your car.

Of course, because it comes in a can, this undercoating will either have to be put in a spray bottle, or brushed on. But once it’s one, it will not only reduce overall corrosion, but keep out excess sound as well.

It dries quickly, taking only around a minute at the most. This keeps it from sagging and cracking, allowing it to stay on for long periods of time.

All in all, this is a terrific car undercoating spray. If you’re looking for something which can be applied with a brush, this would be a great choice.

Number 4

Wurth High Build UnderBody UnderSeal

Wurth High Build UnderBody UnderSeal

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The Breakdown

  • A little on the expensive side
  • Offers a strong barrier for your car’s undercarriage
  • Sprays on smoothly and dries quickly
  • Prevents excess sound from leaking into your car

Another solid car undercoating spray is this one from Wurth. While it offers much of the same as the 3M and CRC undercoatings reviewed above, it costs a little more money. Coming in 18 ounce spray bottles, it’s a little expensive.

This spray goes on with a shiny black color, giving it a rather stimulating aesthetic overall. It sprays on smoothly, drying in just a few seconds. This prevents it from sagging and cracking over time.

Not only does this spray provide your car’s undercarriage with a barrier, it also helps to keep out any excess sound.

All in all, this is a very solid car undercoating spray. Its only downside is its price, which is just a little high.

Number 5

3M 08881 Undercoating

3M 08881 Undercoating

See Price on Amazon

The Breakdown

  • Comes in aerosol cans of 16 ounces, giving you enough to cover your entire undercarriage
  • Protects your car from corrosion and rusting
  • Deadens sound and helps to keep your car quiet
  • Possesses a smooth, black finish after application

The next undercoating on our list is the 3M 08881 Undercoating. Available for a mid-level price, this undercoating comes in spray cans of 16 ounces. It offers plenty in the ways of protection and sound deadening.

This undercoating can be sprayed on essentially anything on the undercoating of a car, from the wheel wells, the the floor pans, and more. When sprayed on, it takes on a smooth, solid texture which counteracts all forms of rust and corrosion.

One of the great things about this spray is that it also carries sound deadening qualities. It can essentially be used to bring down the overall noise level of your car when on the road.

All in all, it’s a very solid mid-level product.

Number 6

Valspar PlastiKote

Valspar Plastikote

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The Breakdown

  • Comes in a 6-pack of 16 ounce bottles
  • Works terrifically as an anti-rust and anti-corrosion agent
  • Helps to lessen the amount of sound that enters your vehicle
  • Dries quickly and stays on reliably

Another solid mid-level car undercoating spray is this one from Valspar. This spray comes in a pack of 6, with each can containing 16 ounces of product. It’s not on the level of higher-end sprays, but still provides a decent amount of protection nonetheless.

This spray possesses a sort of smooth consistency after it’s been applied to the underside of your car, creating a fairly durable reinforcement. It dries within a few seconds, and sticks on reliably over time.

In addition to reducing overall corrosion and rusting, it also works terrifically as a noise deadener. You can eliminate a lot of the road noise that you get as a result of driving at high speeds on rough terrains.

All in all, this is a good, but not great car undercoating spray.

Number 7

Chemical Guys Bare Bones Undercarriage Spray

Chemical Guys Bare Bones

See Price on Amazon

The Breakdown

  • Comes in bottles of 4, 16, 64, or 128 ounces
  • Sprays on smoothly and consistently across your undercarriage
  • Works to deaden noise in your vehicle
  • Is resistant to both corrosion and rusting

Next up on our list is this car undercoating spray from Chemical Guys. The TVD_104 comes in bottles of 4 ounces, 16 ounces, 64 ounces, or 128 ounces, and offers a decent amount in the ways of protection and replenishment.

This spray goes on smoothly and quickly, applying in a consistent and uniform manner across the undercarriage of your vehicle. After it’s been applied, it possesses a black color and smooth consistency which looks excellent on your car.

Benefits offered by this spray include reduced rusting and corrosion as well as a reduction in the amount of noise that makes its way into your car.

If you want to give the underside of your vehicle a special shine, this would be a great car undercoating spray for you.

Number 8

Rusfre Automotive Spray-On Rubberized Undercoating Material

Rusfre Automotive Spray-On

See Price on Amazon

The Breakdown

  • Offers a smooth, shiny surface to the undercarriage of your car
  • Available for a very reasonable price
  • Contains both anti-corrosive and anti-rust properties
  • Helps to deaden the sound that comes into your vehicle

If you’re looking to buy undercoating spray in bulk, you might very well be interested in this one from Rusfre Automotive. This spray is available for a very reasonable price, and offers a great deal in the ways of protection.

This undercoating spray does an above average job of preventing rust and corrosion, covering the undercarriage of your car with a smooth, shiny surface. It also protects from flying rocks and stones which kick up into your car’s engine.

It’s completely safe, containing no asbestos or other dangerous chemicals.In addition to its anti-corrosive properties, it also helps to reduce the amount of sound that makes its way into your vehicle.

All in all, this is a very solid budget undercoating spray.

Number 9

Noxudol 900 – Undercoating

Noxudol 900 Undercoating

See Price on Amazon

The Breakdown

  • Comes in aerosol bottles of 16 ounces
  • Protects your undercarriage from rust and corrosion
  • Does a decent job of killing excess sound
  • Dries quickly and sticks for a decent amount of time

The next car undercoating spray up on our list is the Noxudol 900 car undercoating spray. This spray is a little more expensive than some, and offers fairly standard protection and sound deadening properties.

It comes in bottles of 16 ounces and sprays on smoothly across the undercarriage of your vehicle. It dries on rather quickly, allowing you to get the job done with little trouble. Once on, it does a good job of resisting rust and corrosion.

The only problem with this car undercoating spray is that it tends to attract a lot of dirt. If you value the aesthetic of your car, this could be a problem.

However, because of its anti-rust and sound deadening properties, it’s still a very solid product.

Overall, this is a good, but not great car undercoating spray. Honestly, for the price, you could find something better.

Number 10

Detail King Hi-Tech Rubberized Undercoating

Detail King Hi-Tech Rubberized Undercoating

See Price on Amazon

The Breakdown

  • Overpriced considering what it has to offer
  • Does a decent job of staving off rust and corrosion
  • Standard sound deadening capabilities
  • Sprays on in a smooth and consistent manner

The last car undercoating spray we’ll review is the Detail King Hi-Tech Rubberized Undercoating. This is a solid undercoating spray, but it’s a little expensive considering what it offers in terms of benefits.

It does a standard job of staving off rust and corrosion. However, there’s nothing about its anti-rust properties that justifies its price.

It sprays on fairly smoothly, but again, is not extraordinary in any way.

This comes in bottles of 16 ounces, giving you enough for one application. It deadens sound fairly well, but is not outstanding in any way.

Essentially, this is a good, but overpriced car undercoating spray. You can find an equal undercoating spray for a much cheaper price.

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