I was in Ann Arbor over the weekend, and visited a woodworkers studio. His furniture had a very soft, satin finish, and did not appear to have any build to the finish at all. He said the secret was using a vinyl sealer. My question is, what kind of a finish would I put over the sealer to get these results? (I intended to ask him this question, but he left before I got the chance).
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Replies
Sealer is usually meant to be a first coat, but it is possible he just used the sealer and then buffed it down.
John W.
Vinyl sealers are typically used under two part lacquer and two part polyester finishes. Did he say he only used a vinyl sealer?
No, he specifically said he sprayed on the vinyl sealer first, then sanded and went over it with something else. Another customer distracted him before I got the "something else" out of him, then he disappeared.
You can use Vinyl sealer under pre and Post cat Laquer, reg NC laq, CAB Laq and conversion varnish. Sounds like he possibly could have used the vinyl sealer and a thin coat of conversion varnish. If done properly it will give you a similar type of finish.
My understanding is vinyl sealer helps the finish be more moisture resistant.
Generally, vinyl sealer is used to seal of certain glazes before a coat of lacquer to avoid crackeling. If used as the only finish -two coats- it will give you an smooth surface privided you sanded the first coat really well. If you use a post cat or pre-cat lacquer after a vinyl sealer, you're likely to end up with a plastic finish that will be very smooth, but high build.
For a finish that feels very smooth and seems very matte, I use a post catalysed high buil conversion varnish by M.L. Campbell named Krystal. Reduce it to about 10% and put on only 2 coats. You will have a durable and very natural finish.
Marc
Do you mean reduce it to 10% or by 10%? Art
I mean just add 1oz for each 10oz of sealer. This is what my dealer recommends.
So you are mixing the Krystal product with the vinyl sealer, correct? Does it matter which Krystal finish you use, they offer four different finishes in that product line.Jeff
Don't mix both products... The Krystal alone will give you the result you're looking for. I don't usually use vinyl. Post catalysed lacquers in general will give you sufficient water resistance. Vinyl tends to give a plastic look.
Use only the Krystal. It is self sealing.
I was thinking of using a very light cut of a blonde dewaxed shellac, then rubbing it out with rottenstone (if necessary). Would you think this would give me a similar result?
Not likely, experiment before starting on a real piece of furniture.
John W.
I agree with John W. . It might give you a nice feel, but it will not be close to the same protection.
Marc
His furniture had a very soft, satin finish, and did not appear to have any build to the finish at all. He said the secret was using a vinyl sealer.
Hmmm... I'm not at work and don't have access to my Sherwin Williams commercial coatings book but I know of only one finish that will give the look you've described: Sherwin Williams' Super Kemvar "C" which is a vinyl conversion varnish designed specifically to achieve that look and only that look. Except that when I've used it I used it as a self-sealing system instead of using one of their vinyl sealers. But it wouldn't surprise me if when I check their book it says that a thinned version of one of their vinyl sealers is also an approved undercoat.
According to SW their "M" vinyl conversion varnish can be reduced 25% and achieve a comparable look. But, it doesn't quite. I know because I've tried. I've also had a competitor's coatings tech try to produce a similar look with their products and his result, like that of the Kemvar "M" had more build than the "C" did. Which is why I say that I've seen no other finish which will achieve that look and do it justice. It honestly looks like there is no finish on it.
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