Pretty much any surface underneath the vehicle that does not get hot is fair game when rustproofing, and it is not uncommon to see off-road vehicles sporting this stuff on rocker panels for additional outer protection. Some of the common areas that get "rust-proofed" include the undersides of fenders, weld points and seams, fuel tanks, suspension arms, axles, rear differentials, and chassis cradles. Rustproofing is a process that involves the application of rubberized sealants, lanolin oi l s, or any number of other rust-repelling coatings on corrosion-prone surfaces. If you've ever looked into protecting the underside of your automobile, chances are you've come across the terms "rustproofing," or "rust protection." Despite sounding identical, there are some key differences between these two methods of rust prevention, even if their intended purpose remains the same. What's the Difference Between Undercoating and Rust Proofing? It's far easier to coat the pristine underbelly of a vehicle with some additional armor, than it is to remove a crap-ton of road grime and gunk. Quick Tip: It is always best to apply an undercoating when you first purchase a brand-new vehicle, and not a few years down the road. There's a reason why automotive undercoatings have earned a reputation for being a bit of an unreliable, double-sided sword, and it's not because they don't work well. Once cured, this undercoating has the ability to repel rust and oxidation, rock chips, scratches, and even lower road noise levels.īut even if you purchase for this package option, or opt to tackle an undercoating application on your own, there's a still a good chance that your vehicle's underbelly is going to rust. Most dealerships offer an additional undercoating as part of a "winter package" option, which typically consists of a "rubberized" media being sprayed across the vehicle's undercarriage. But these OEM coatings will eventually wear-out over time, leaving oil pans, transfer cases, suspension arms, and other metal components vulnerable to corrosion and rust. If you live in an area of the world that sees a significant amount of snow, or are located in a coastal region, you are probably are already familiar with the term "undercoating." For everyone else, here's a quick synopsis.Īn undercoating is the first line of defense between an automobile's metallic underside and the elements, and all vehicles receive a coating of this stuff before rolling off the assembly line. As we dissect the latest undercoating solutions, and the pros and cons of this crucial layer of automotive protection. Well fret no more, because today we'll be breaking down the good, the bad, and the rusty. Is there more than one kind of undercoating? Are there any health risks associated with this stuff? How often should a vehicle be undercoated? However, a lot of car owners still don't know what undercoatings are made from, or how they work. This not only makes them far more fuel efficient and lightweight, but less susceptible to corrosive contaminants as well.īut that doesn't mean the modern automobile is immune either, which is precisely why all cars receive an undercoating at the factory, which in colder climates, requires routine cleaning and the occasional reinstallation. Most cars today are constructed from lightweight, rust-resistant materials like aluminum, plastic, carbon fiber, and magnesium. On the bright side, if you own a modern automobile, chances are you won't have to undercoat it all that often. Are you riding around in a rust-riddled, corrosion-covered, pitting pile of automotive poo? Have your vehicle's protective undercoatings given-up the ghost, leaving your car's tender underbelly exposed to the elements? Sounds like it's time to apply some undercoating.
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