Originally Posted by
Master Splinter
Shellac is (eventually) a film forming finish - you just have to apply enough layers to build up a thick film. If you've seen something french polished to a piano gloss, that's a finish done with shellac. This is a slow process, however, as it doesn't build all that quickly. If using it as an undercoat, you just mix it up to a thinner 'cut' (less shellac, more alcohol).
You can also mix your own paints using shellac and artist's pigments - that might soak in more and provide a better bond (or give you a paint that works well with your painting style).
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