Best coating to undercoat a trailer with? ?

I just picked up a used 6x12 enclosed trailer and the underside is raw flake board and of course steel cross beams. I suspect the former owner only used the trailer in the summer, but I intend to use it all year in a norther climate. I intend to coat the underside but I would prefer to find a substance I could spray or brush on the wood AND the beams in order to save time. 

5 Answers

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  • Anonymous
    1 month ago
    Favorite Answer

    Brushable rubberized roofing TAR.  Works on roads and on roofs.  The flake board if it is the newer stuff, one side already has a coat of varnish on it.  Paint the tar right on top of it, no coating...still paint on top of it.   The northern climate is cold DRY.

  • 1 month ago

    Shop for coal tar bitumen.

  • Barry
    Lv 5
    1 month ago

    I think brush on bitumen paint would be fine on both surfaces.

  • 1 month ago

    Ordinary interior/exterior grade acrylic enamel house paint. I know you are disappointed it's not some special automotive product. Cleans up with water when still wet, but it is bullet proof when it dries. A paint store will make you any color you need.

    You should do a high pressure wash before application.

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  • k w
    Lv 7
    1 month ago

    better ask an expert, the wood being the main problem.....maybe ask Zeibart.....

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