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With a sand blasted cab and bed I am looking for a solution to protect the metal body of a C10 hot rod on air ride. I have looked into possibly rhino lining the under side of the bed and cab but I wanted to know if there is another solution since I am not a paint and body expert. I would prefer a paintable solution but since the stance is low I do not mind leaving it alone as long as it's black to match the frame.

  • On bare metal use self etching primer then epoxy primer, then a color coat to match the body paint if you wish, then a coat of your favorite undercoating. – Moab Apr 26 '16 at 20:34
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I would use epoxy primer to start. You can then spray paintable undercoat on your frame, underbody.

They come in various forms as depicted in the image below.

enter image description here

You may also use a rocker guard type product as shown.

To my personal taste, I would seal with epoxy primer, rubberized undercoat, and then oil undercoating to protect even further. Application is very straight forward if you are working with clean metal. If not, make sure you are not applying the products over unprepared surfaces.

enter image description here

Oil undercoating is the process of spraying oil on your vehicles underbelly to aid in rust prevention. Most vehicles will have plugs in their doors which can be removed so they can be blasted as well. For optimal results in climates like Canada, you can do this at least once a year.

Here are pictures of the process.

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  • +1 for pics and great info. Outstanding answer, very detailed. – cdunn Apr 25 '16 at 17:01
  • Could you be more specific about what an "oil undercoating" is? Applying oil on top of a rubber coating doesn't make sense to me. – Josh Caswell Apr 25 '16 at 23:03
  • @JoshCaswell I updated my post. Let me know if anything is not clear. – Jonathan Musso Apr 25 '16 at 23:32
  • Oil undercoating, that sounds environmentally sound.... – Moab Apr 26 '16 at 20:32
  • @Moab It's generally a plant-based oil, like Peanut-Oil. – NitrusInc Mar 23 '18 at 18:00

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