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Removing spray paint from grill cloth??

Discussion in 'Amps [BG]' started by ampegfuzz, Nov 17, 2011.


  1. ampegfuzz

    ampegfuzz Supporting Member

    Joined:
    Feb 13, 2007
    Location:
    Davenport, IA
    Any methods or specific solvents for removing the paint. The grill cloth on my newly acquired Ampeg B15S is painted black and I want to try to clean it before I have to replace it. Thanks
     
  2. T-Bird

    T-Bird

    Joined:
    Apr 29, 2007
    Location:
    Finland (Northern Europe)
    Hi.

    Scissors?

    Unless You know excactly what paint was used to help find the proper solvent, and you know for sure that the cloth will stand that said solvent without any deformation, IME trying to get paint off from cloth is a lost cause.

    Regards
    Sam
     
  3. 96tbird

    96tbird This Indian movie is really boring man.

    Joined:
    Dec 13, 2010
    Location:
    Manitoba, Canada
    Bummer, I guess the best plan is to remove it and soak it in a solvent. It's synthetic so paint stripper is out. Paint thinner won't do it. Real turpentine might work. I won't mention what I would try, too dangerous, but then, most solvents are flammable. Get a small can of turpentine and lightly dab at it with paper towel. If it works, soak it. Hand wash it in cold water with dish soap a couple of times after. Good luck.
     
  4. 1n3

    1n3

    Joined:
    Sep 13, 2007
    Location:
    USA
    You might be able to do it. Grille cloth is usually made of tough stuff. I think there's a good chance you can find something that attacks the paint and not the fibers. If replacement is the alternative, there's little to lose.

    I would start with a mild solvent like mineral spirits or naptha. Soak a toothbrush and scrub a small area. If that doesn't work, repeat with something "hotter": xylol/xylene > toluol/toluene > lacquer thinner... These are toxic, so work outside. Especially with lacquer thinner, you'd want to check often to see that you're not damaging the fabric.

    Methanol might also work, and is cheap in the form of Heet (gas line antifreeze). Again, highly toxic, so be outside.

    Once the paint is degraded, you may be able to continue with something less toxic; mineral spirits, or even water and detergent (don't get the frame too wet).

    Good luck.
     
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  6. 96tbird

    96tbird This Indian movie is really boring man.

    Joined:
    Dec 13, 2010
    Location:
    Manitoba, Canada
    Laquer thinner is pretty HOT and loves synthetics. I was thinking kerosene (basically tolulene?) and a good washing after. Another thought was camping fuel. I would remove it from the frame.
     
  7. johnk_10

    johnk_10 vintage bass nut Supporting Member

    Joined:
    Feb 16, 2008
    Location:
    Thousand Oaks, CA
    Disclosures:
    John K Custom Basses
    easy-off oven cleaner works well on tolex for removing spray paint. if it's the tough nylon grill cloth type, it'd probably work on it too. just wear rubber gloves or it'll irritate the heck out of your skin (as in eat it!-it contains lye).
     
  8. 96tbird

    96tbird This Indian movie is really boring man.

    Joined:
    Dec 13, 2010
    Location:
    Manitoba, Canada
    Now there's a tip! It's a Keeper.
     
  9. Jazz Ad

    Jazz Ad Mi la ré sol Gold Supporting Member

    Joined:
    Mar 16, 2002
    Location:
    Reims, Champagne, France
    Since it's a cloth, I'd try bleaching it.
    YOu'd probably be more successful replacing it anyway.
     
  10. ampegfuzz

    ampegfuzz Supporting Member

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    Feb 13, 2007
    Location:
    Davenport, IA
    I'll try the oven cleaner if that doesn't work I'll prolly be buying tons of grill cloth because I want to do my classic cabs in vintage cloth To match my older svt.
     
  11. ampegfuzz

    ampegfuzz Supporting Member

    Joined:
    Feb 13, 2007
    Location:
    Davenport, IA
    It's a 1968 btw, b15s still ok on that cloth?
     

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  12. 96tbird

    96tbird This Indian movie is really boring man.

    Joined:
    Dec 13, 2010
    Location:
    Manitoba, Canada
    Well if it's original cloth, it is original, b15 or not. Good to go.
     
  13. johnk_10

    johnk_10 vintage bass nut Supporting Member

    Joined:
    Feb 16, 2008
    Location:
    Thousand Oaks, CA
    Disclosures:
    John K Custom Basses
    it'll probably work on it. i'd just test a small spot on the back where it folds over first.
    if you need some new blue/silver ampeg cloth, i'd recommend tubesandmore.com, since their's is OEM ampeg and it's really good. many other suppliers sell the knock off stuff, which looks very similar, but it isn't quite the same and they usually try to sell it for the same price.
     
  14. ampegfuzz

    ampegfuzz Supporting Member

    Joined:
    Feb 13, 2007
    Location:
    Davenport, IA
    I took the badge off it was blue underneath .
     
  15. johnk_10

    johnk_10 vintage bass nut Supporting Member

    Joined:
    Feb 16, 2008
    Location:
    Thousand Oaks, CA
    Disclosures:
    John K Custom Basses
  16. ampegfuzz

    ampegfuzz Supporting Member

    Joined:
    Feb 13, 2007
    Location:
    Davenport, IA
    Thanks John, you da man once again :)
     
  17. westerton

    westerton

    Joined:
    Mar 9, 2006
    If the Easy-Off Ovencleaner was used....any update regarding the results?
    I have a early 80's Music Man HD150 with silver grill that was spray painted black. :help:
    I want to remove the paint, but not sure the best/safest route.
    Thanks
     
  18. beans-on-toast

    beans-on-toast Supporting Member

    Joined:
    Aug 7, 2008
    The first thing that I do is try to clean the grille cloth. I use a powdered cleaner called Resolve for Colors and scrub it.

    How well you can remove paint depends on how thick it is. Easy-off is a good cleaner that can bring some grille cloths back. Other bathroom cleaners that have strong basses (alkali, feels slippery) can be tried first on a test spot. You don't want to soak the grille frame because it needs to be rinsed. It can warp if it gets too wet. If that doesn't work, I've had good results dabbing a solvent such as acetone onto the paint. This can also melt the cloth so you have to be careful. You don't want to smear it. Dab repeatedly without using too much pressure on the cloth as that can stretch it.

    If all else fails, you can always recover it with a new cloth that is close. This is often the easiest option. Some people use Fender cloth.
     

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