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Primer directly over tung oil, and poly - no prep

Discussion in 'Luthier's Corner' started by cornfarmer, Mar 22, 2013.

  1. cornfarmer

    cornfarmer jam econo Supporting Member

    May 14, 2002
    I am building a franken fender and want to know if this plan will turn out reasonably ok.

    The body is an el cheapo that somebody used a tung oil finish on 'plus a light poly gloss'. To tell you the truth, I just want to give it a couple of coats of grey primer and that's all. Should I sand off whatever is on there now (whoever did it did a terrible job) or can I just spray the primer over it ?

    Obviously I'm being lazy, but I don't really care to do a ton of sanding this time around (been there, done that many a time).
  2. if there are no dents or deep scratches that could cause drips or relief in the surface i guess you could just spray the primer.
  3. Hopkins

    Hopkins Supporting Member Commercial User

    Nov 17, 2010
    Houston Tx
    Owner/Builder @Hopkins Guitars
    I would sand it up to 400 grit before spraying
  4. Dean N

    Dean N

    Jul 4, 2006
    Pittsburgh, PA
    +1. And use an epoxy primer.

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