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Oct 19, 2021 - 9:24:29 PM

banjonz

New Zealand

11275 posts since 6/29/2003

I have been given a 1950's 'Gorge Formby' banjo uke to reskin. It had been sitting in an uninsulated attic since the 70's. It was stored in a vinyl carry bag and the heat has softened the finish and has given the effect shown by coming into contact with the inside of the bag. I don't want to strip it back and refinish it. Is there any way I could buff it out by using meths and fine steel wool?




Oct 20, 2021 - 6:04:12 AM

mbanza

USA

2404 posts since 9/16/2007

The vinyl may have been the main problem, and the heat exacerbated the problem.
frets.com/FretsPages/Musician/...inyl.html

Oct 20, 2021 - 6:48:03 AM

beegee

USA

22516 posts since 7/6/2005

Vinyl reacts with lacquer. I see this a lot with guitars and vinyl straps. I would wipe the resonator with naptha, then wet-sand it gently with 600 paper. Then overspray with a wet coat of lacquer and let it thoroughly cure.Repeat the process until the surface is smooth. Then buff after the finish is cured.

Oct 20, 2021 - 9:54:46 AM

1610 posts since 5/19/2018

Wayne. Had a very similar issue to what you have. Was caused by an old vinyl guitar/banjo strap.

I did almost exactly what BeeGee suggested. The repair was extremely successful. Years later with the fading/aging of the overspray, its invisible.

Oct 23, 2021 - 5:27:14 PM

banjonz

New Zealand

11275 posts since 6/29/2003

I was able to to remove most of it using what we call 'wet and dry' paper using in finishing automotive body repairs with water. I wasn't sure how thick the finish was so was cautiously polishing it out. It came out not not to shabby. It wasn't perfect but far better than it was.

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