Shellac as sealer under nitro

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Carl Kaufmann
Posts: 7
Joined: Sat Jan 07, 2012 5:35 pm
Location: Mystic CT and Block Island RI

Shellac as sealer under nitro

Post by Carl Kaufmann »

How about using clear shellac as sealer on bare rosewood body and spruce top, to be over coated with nitrocellulose? This would be the real stuff, plain shellac flakes freshly dissolved in alcohol, not denatured, no additives. Have some vinyl sealer on hand but it is old and way past its sell date. Reluctant to use that.

Carl Dickinson
Posts: 55
Joined: Fri Feb 08, 2019 5:38 pm
Location: Forest Ranch, California

Re: Shellac as sealer under nitro

Post by Carl Dickinson »

Just use a couple of coats of your thinned nitro. Should work just fine.

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Barry Daniels
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Joined: Thu Jan 05, 2012 10:58 am
Location: The Woodlands, Texas

Re: Shellac as sealer under nitro

Post by Barry Daniels »

Vinyl sealer and nitro don't really go bad. Put some on a scrap of wood and if it dries normally then it should be fine.

I have some nitro that is 20 years old and it still works.
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Chuck Tweedy
Posts: 1179
Joined: Fri Jan 06, 2012 6:25 pm
Location: San Diego, CA

Re: Shellac as sealer under nitro

Post by Chuck Tweedy »

that being said, the shellac will work fine as a sealcoat under nitro
Likes to drink Rosewood Juice

Brian Evans
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Joined: Sat Aug 30, 2014 8:26 am
Location: Tatamagouche, Nova Scotia

Re: Shellac as sealer under nitro

Post by Brian Evans »

You might need to dewax the fresh shellac as you prepare it. Personally I'd use the Zinsser spray shellac, it's dewaxed quite well. In any case, dewaxed shellac is great as a seal coat.

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