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 ARCHIVED TOPIC: Removing polyurethane from neck for a refinish


Please note this is an archived topic, so it is locked and unable to be replied to. You may, however, start a new topic and refer to this topic with a link: http://www.banjohangout.org/archive/408161

HLW - Posted - 04/14/2026:  10:39:52


Best technique for removing pore n wipe polyurethane. Acetone, or other stripper, card scraper?

Old Hickory - Posted - 04/14/2026:  11:47:39


Google says Klean Strip Premium and Citristrip can remove wipe-on polyurethane, though you might have to let the product sit on the finish longer.



You might follow up with a paint remover wash to final residue. I expect some sanding will be required.

lightgauge - Posted - 04/14/2026:  13:28:13


Most solvents will damage bindings if you have them. I did one successfully by scraping.

Bob Smakula - Posted - 04/14/2026:  14:28:45


Though I have not refin'd a poly coated banjo in 40 years, I remember heating the finish with a hair dryer made it easier to remove.

Bob Smakula

RBuddy - Posted - 04/14/2026:  16:51:32


Mind if I ask why?

Maybe there are other remedies that don't require removal to wood.

DSmoke - Posted - 04/14/2026:  17:36:59


I've not had to remove poly, but Citristrip does a good job. I tape off celluloid just in case and scrape the finish near it.

sunburst - Posted - 04/14/2026:  18:33:06


A good, sharp card scraper is really fast, with minimal exposure to chemicals.

banjodobro56 - Posted - 04/15/2026:  10:40:19


quote:

Originally posted by Bob Smakula

Though I have not refin'd a poly coated banjo in 40 years, I remember heating the finish with a hair dryer made it easier to remove.



Bob Smakula






Be very careful using heat to remove poly finish if you have plastic binding.  DAMHiKT.


Edited by - banjodobro56 on 04/15/2026 10:40:35

Brett - Posted - 04/16/2026:  07:10:53


Many single edge razor blades.

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