Reply by Planeman40

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Posted on What to use after staining before applying water based poly?

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1420 posts in 3175 days

#1 posted 09-14-2016 03:03 PM

Yep, use shellac as a sealer between staining and the poly. Shellac is a wonderful thing for woodworking. It builds quickly with multiple coats as it dries quickly and it “chalks” when sanding (meaning it doesn’t clog up the sandpaper). It really does seal. It will stop sap bleed through when applied over knots in pine paneling. And it can be used as a final finial finish. Its only drawback as a finish is alcohol spills from mixed drinks will melt the finish if used on a table top (shellac is thinned with alcohol). I can get a glass smooth finish by sealing with two coats of shellac, then sanding, then two more coats of shellac, sanding again followed by fine steel wool (0000 grade), then applying the final finish, usually polyurethane.


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