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Polyurethane over oil?

Discussion in 'Luthier's Corner' started by ::::BASSIST::::, Jan 24, 2012.

  1. ::::BASSIST::::

    ::::BASSIST:::: Progress Not Perfection.

    Sep 2, 2004
    Vancouver, BC Canada
    I was thinking of possibly having a luthier apply a polyurethane finish over my Stambaugh which has some sort of oiled finish. It would help the grain of the rosewood top pop a bit more and increase the finishes durability.

    Is it okay to put polyurethane over oil, or do you *have* to sand/strip down the bass first?
  2. ::::BASSIST::::

    ::::BASSIST:::: Progress Not Perfection.

    Sep 2, 2004
    Vancouver, BC Canada
  3. Beej


    Feb 10, 2007
    Victoria, BC
    Polyurethane can go over oil, depending on what kind of oil. I think Stambaugh uses Tung oil but I'm too lazy to take four seconds of google to check. To be safe though, why not just contact Stambaugh and see what they recommend...
  4. FBB Custom

    FBB Custom TalkBass Pro Commercial User

    Jan 26, 2002
    Owner: FBB Bass Works
    If there's wax involved, then your spray guy will have problems. If it were me, I wouldn't spray an instrument without getting to bare wood first.
  5. HogieWan


    Feb 4, 2008
    Lafayette, LA
    put a couple thin coats of shellac first and you should be fine
  6. Dirk Diggler

    Dirk Diggler Supporting Member

    Mar 3, 2004
    Anytown USA
    Also Poly isn't going to bring the grain out, that's what the oil does, the poly just puts a plastic wrap over the surface of it.

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