Is undercoating needed?

Today we’re going to discuss The good and the bad with undercoating and is undercoating needed on my vehicle? For those who deal with arctic climates or live in areas that frequently use road salt or mag chloride, it can be a lifesaver to protect the undercarriage of your daily driver.

The question we need to address though is whether these products are still needed. You maybe thinking well Dan, you provide a service for undercoating, why don' you want my money?  I'm not saying I don' want your business, however I firmly believe that being informed and up to date on products is just as crucial as getting a quality undercoating. 

It’s no mystery that cars made in the past were made from hard steel and durable metals, that were prone to oxidation and eventually – the development of rust. But road warriors of today are constructed from aluminum, polycarbonate materials, and other exotic materials that are less susceptible to contaminants.

It’s always best to apply an undercoating when you first purchase a new vehicle, as it coats to the surface and not road grime or other ‘stuff’. If you didn’t get an undercoating when your vehicle was brand new, that is not a problem. It’s better late than never. If parts of your frame are currently showing some rust, we have a solution called Black-Max that will block they oxygen and stop the rust from spreading further.

Rustproofing or Rust Protection; What’s the difference?


Rustproofing is a process that involves the application of protective waxes or other coatings on other areas that are made of corrosion-prone materials on the outside of the vehicle. Some of the common areas that are ‘rust proofed’ include fenders, upper body panels, weld points, tailgates, and rocker panels.

Rust Protection

There is another ‘term’ that can be confusing to consumers – and that’s rust protection. Rust protection is a manufacturing process that adds ingredients that acts as a rust-inhibitor. A rust inhibitor helps to block the circulation of electrical current – which is a critical component in the development of rust.

To be honest, most cars, trucks, and SUV’s made today have some rust protection ingredients mixed into the materials. Plus, more and more daily drivers are using materials like Aluminum that naturally resist the development of rust.

What are the Different Types of Undercoating

Although most new cars, trucks, and SUV’s are quite well protected underneath, for those living in cold-weather regions or areas where saltwater is common, having an undercoating applied at your local protection shop is a smart investment. In most cases, it’ll only run you a few hundred dollars and is well worth the investment – especially if you’re going to keep your ride for more than five years.

Here are some pros to applying an undercoating:

Extends Vehicle Lifespan

The biggest advantage of undercoating products is the protection against corrosion for longer periods of time. With one application can last up to five years, and a free touch-up after three years! That’s 8+ years of protection for one price.

Reduces Road Noise

An extra layer of insulation is always a good way to reduce noise from penetrating materials. Whether it’s a home or your car, the more ‘padding’ between you and the source of the noise, the quieter things will be naturally. An undercoating serves as this purpose for cars, trucks, and SUVs. So, if road noise is something that bothers you, consider this option.

Expensive Procedure

The only “con” of an undercoating or rustproofing sprays is the cost. However, when you weigh the cost of replacing a vehicle due to rust damage vs the few hundred dollars for a professional to coat your vehicle, it really is a no brainer.

Wrapping it Up

Rust protection is a real thing for people living in cold climates or who live in coastal communities. Having a car treated with an undercoating is a very smart way to reduce the build-up of corrosion and extend the lifespan of your vehicle. We offer financing options that can help you protect your investment now, and pay over time.

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