Best Way To Remove Underbody Coating

You need to clean the undercarriage before using an underbody protective spray.

Best way to remove underbody coating.

Depending on the condition of your frame axles and suspension you could easily spend an entire 8 to 10 hour day removing rust old paint or undercoating. If you want professional grade undercoating protection results without breaking the bank then this product from 3m is for you. Just like auto body work most of the effort is built into the prep process. It won our top spot for best overall undercoating spray because it is easy to apply and has a rubberized coating that offers durable protection and sound deadening properties by sealing small holes and cracks.

The coating itself is a tar like substance that sticks to the undercarriage components and acts as a barrier to resist salt moisture oxygen and other items that lead to corrosion. If you need to remove the existing undercoating you have several options. Sand any remaining rust using sandpaper designed for metal. Use a wire wheel for the most efficient removal method try an air scraper for an easy option or use a heat gun and scraper for a hands on method.

The dynatron 544 dyna pro is one of the best undercoats for rust proofing a car s underbody. Wipe away all of the dust created from grinding and sanding. Undercoating spray can be purchased as a diy product but it s tricky to apply so it s best to use this method at the dealership on a new vehicle. Although some paints say you are able to paint over rust it is worthwhile removing it for the best possible result.

Where we had access we used a grinder with a wire wheel. Paint and prime the underbody. You can then use a wire brush attachment to clear any dirt left over and remove any corrosion that is present. We recommend that you use a pressure washer to remove tough dirt on the underbody.

It offers all weather protection and can last through an entire winter season. If there is a lot of grease on the surface you need to use a degreaser before applying underbody spray.