Acrylic lacquer over shellac - Router Forums
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post #1 of 19 (permalink) Old 08-17-2015, 02:23 PM Thread Starter
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Default Acrylic lacquer over shellac

I finished coffee tables with shellac (flakes cut with alcohol). The tables are Indian rosewood and maple. I am thinking of adding a coat (or 2) of water-based acrylic lacquer to protect the finish. Will the lacquer bond adequately with the shellac? Is this a good idea or a terrible one?
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post #2 of 19 (permalink) Old 08-17-2015, 03:18 PM
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Shellac is often used as a barrier between incompatible finishes so the chances are good. Try it on a test piece first Hank. Because shellac is dissolved in alcohol there is a good chance that if they are incompatible it will show right away.

Someone I consider a master woodworker once told me that a master woodworker is not someone who never makes mistakes. He is someone who is able to cover them up so that no one can tell.
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post #3 of 19 (permalink) Old 08-17-2015, 03:33 PM
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Yes, that will work just fine as long as you used dewaxed flakes.
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post #4 of 19 (permalink) Old 08-17-2015, 05:08 PM
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EMPHASIS ON DEWAXED!!!!

Lacquers provide little in the way of protection.

Consider a good wipe on poly. Easy to apply, builds up nicely, dries much quicker than regular poly's (but not nearly as fast as lacquers) easy to touch up if needed available in all gloss's.
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post #5 of 19 (permalink) Old 08-17-2015, 07:28 PM
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I really like the minwax wipe on poly. goes on really smooth so if you're doing a rub-out you don't have as far to go.
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post #6 of 19 (permalink) Old 08-17-2015, 11:49 PM Thread Starter
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Thanks for the replies. The shellac is dewaxed. I looked again at the can of the the finish that I want to use. Says interior VARNISH. Is there a difference between varnish and lacquer? If so, what is it, and what does it mean in this case?
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post #7 of 19 (permalink) Old 08-18-2015, 01:28 AM
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Hank; I googled it...Interior Wood Varnish | Ronseal
No idea why they're so skimpy with the product info but if you scroll down far enough it does say that it's soapy water cleanup. I'd guess that it's some type of acrylic or urethane(?).
No reflection on this product, but my personal approach is to walk a way from products whose manufacturer treats me like an idiot.
Imho, they owe it to the customer to educate them. To give them the benefit of the doubt, perhaps they expect the sales clerk to give you the whole song and dance.
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post #8 of 19 (permalink) Old 08-18-2015, 04:18 AM
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@hankh ....\

saw you can of varnish tipped over and looked to the bottom of the screen to see what kind of mess ya made...

Dan is putting in the water, again...
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post #9 of 19 (permalink) Old 08-18-2015, 06:27 AM
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Not to hijack the thread; but why put a poly or varnish over shellac? Why not just leave it shellac?

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post #10 of 19 (permalink) Old 08-18-2015, 06:56 AM
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