shellac questions

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Forum topic by MalcolmLaurel posted 02-25-2014 09:34 PM 972 views 0 times favorited 2 replies Add to Favorites Watch
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300 posts in 1822 days

02-25-2014 09:34 PM

Got some questions on shellac.  I’ve been using it as my preferred finish for years, but I’m still not clear on a couple of things.  I normally use the regular Zinser shellac (clear or amber depending on what I want), but recently I bought some of their sealcoat because I planned to put a final coat of poly over it for a table I’m working on (though I ended up buying some Deft brushing lacquer instead, since I hear good things about it).
I’ve seen it said here that Zinser shellac is a 3# cut and that Zinser Sealcoat (dewaxed shellac) is a 2# cut.  I’ve also seen it said here that the regular shellac is a 2# cut and that the sealcoat is a 1# cut.  So which is it?  Certainly the sealcoat is thinner… I poured some into a jar and thinned it 50/50 with DNA as I normally do for the first couple of coats of regular shellac, and boy, was that thin!  Took quite a few coats to get close to where I wanted, and even then I wasn’t satisfied, so I put some uncut regular shellac on the legs (I’m going with shellac alone everywhere but the table top).
I know that dewaxed shellac is the appropriate type if it’s going to be topcoated with anything else, but what, if any, is the advantage to waxed shellac?  I prefer the look to the dewaxed I used on this project, but I don’t know if that’s due to the wax or due to the very thin mix.

-- Malcolm Laurel -

2 replies so far

View Fred Hargis's profile

Fred Hargis

5173 posts in 2692 days

#1 posted 02-25-2014 09:39 PM

Unless they changed it, the regular is a 3#, and the Seal Coat is 2#. Waxy shellac is generally a more moisture resistant, and actually you only have to worry about other finishes if they have urethane resins in them. For example, top coating with an alkyd resin varnish is just fine on waxy shellac.

-- Our village hasn't lost it's idiot, he was elected to congress.

View DavidIN's profile


81 posts in 2187 days

#2 posted 03-02-2014 01:56 PM

sealcoat is a 2# cut

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