Reply To: wiping varnish on shellac Welcome! / Forums / General Woodworking Discussions / Finishing / wiping varnish on shellac / Reply To: wiping varnish on shellac BrianJ 23 November 2014 at 10:59 pm #121374 Should not be an issue over dewaxed shelac, the shelac needs an alcohol to disolve. Try a test piece if you need assurance, but shelac will take just about any topcoat. Settings