Undercoating (need northerner opinion)

  1. BillyHW

    BillyHW Well-Known Member

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    I would avoid the dealer undercoating. There are better third party options.

    I would also avoid any of those black tar-like undercoatings. They help at first, but they eventually crack and flake and then trap moisture inside and make the problem worse in the end. There are wax and oil based options that are better in my opinion.

    Check out my rustproofing poll here:

    https://www.jlwranglerforums.com/forum/threads/the-great-rust-proofing-poll.3843/

    Fluid Film (was based) and Krown (oil based) are in the lead.
     
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