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SkinnyJim
 Post subject: Unknown finish
PostPosted: Mon May 11, 2026 8:35 pm 
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Walnut
Walnut

Joined: Tue Dec 12, 2023 6:19 pm
Posts: 23
First name: William
Last Name: Bolan
City: Dawson Springs
State: Kentucky
Zip/Postal Code: 42408
Country: United States
Focus: Build
Status: Semi-pro
Unknown finish. I need to know how to use nitro over an unknown finish.Ican try wiping laquer thinner or mineral spirits and get an idea of what I’m up against
I was hoping shellac or maybe vinyl sealer then nitro.Of course there is always a complete strip job which is no fun Any suggestions are appreciated.
Skinnyjim
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dofthesea
 Post subject: Re: Unknown finish
PostPosted: Tue May 12, 2026 9:03 am 
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Contributing Member
Contributing Member

Joined: Sat Sep 14, 2013 9:46 pm
Posts: 915
Location: Napa Valley
First name: David
Last Name: Foster
City: Napa
State: CA
Zip/Postal Code: 94558
Country: USA
Focus: Build
Status: Amateur
Is this electric or acoustic? Anywhere you can do a test that isn't visible? Be sure and do a shellac wash coat in between any finishes that are incompatible.

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Last edited by dofthesea on Tue May 12, 2026 6:59 pm, edited 1 time in total.

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SkinnyJim
 Post subject: Re: Unknown finish
PostPosted: Tue May 12, 2026 6:21 pm 
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Walnut
Walnut

Joined: Tue Dec 12, 2023 6:19 pm
Posts: 23
First name: William
Last Name: Bolan
City: Dawson Springs
State: Kentucky
Zip/Postal Code: 42408
Country: United States
Focus: Build
Status: Semi-pro
It’s acoustic I’m thinking it polyurethane I’ll test it tommorrow
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SkinnyJim
 Post subject: Re: Unknown finish
PostPosted: Thu May 14, 2026 2:03 pm 
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Walnut
Walnut

Joined: Tue Dec 12, 2023 6:19 pm
Posts: 23
First name: William
Last Name: Bolan
City: Dawson Springs
State: Kentucky
Zip/Postal Code: 42408
Country: United States
Focus: Build
Status: Semi-pro
Pretty sure it’s polyurethane.maybe a coat of vinyl sealer or shellac. Then nitro.Not 100% sure
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