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Shielding Stripped Cavity Floor and Sides?

Discussion in 'Hardware, Setup & Repair [BG]' started by selowitch, Aug 13, 2012.


  1. selowitch

    selowitch Supporting Member

    Aug 6, 2005
    Rockville MD
    Is it easier to apply copper foil to bare wood as opposed to finished wood? Accordingly, if one is stripping an instrument of its finish, does it make sense to "rough up" the bare cavity and apply tape or paint to it? Or is it better to prime it first?
     
  2. Turnaround

    Turnaround Commercial User

    May 6, 2004
    Toronto Canada
    Independent Instrument Technician, and Contractor to Club Bass and Guitar - Toronto
    Copper foil will adhere better to a painted finish than to bare wood. But if you intend to use shielding paint, it is best to rough up the finish a bit to get better adhesion of the paint. If applying to bare wood no sealer is needed.
     
  3. selowitch

    selowitch Supporting Member

    Aug 6, 2005
    Rockville MD
    Excellent answer, thank you. I think I'll go with the brush-on paint, using painters tape around the top of the cavity to keep it from getting on the front surface of the bass.
     
  4. Turnaround

    Turnaround Commercial User

    May 6, 2004
    Toronto Canada
    Independent Instrument Technician, and Contractor to Club Bass and Guitar - Toronto
    The paint should come up onto the surface of the instrument so that it can make contact with the shielding on the pickguard. Failure to do so can be worse than no shielding at all. Just leave a bit on the surface - just enough that will be hidden by the pickguard.
     
  5. selowitch

    selowitch Supporting Member

    Aug 6, 2005
    Rockville MD
    Ah, yes. That makes sense. Thanks!
     

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