Can I use regular shellac as a sealer instead? Mike Smith, Seneca, SC. A: Both of these products seal the wood equally well, but some finishes won’t stick to regular shellac. Both amber and clear Bulls Eye shellac have a natural waxy substance that interferes with the adhesion of oil-based polyurethane and water-based finishes.

Dec 17, 2020 · Shellac. Shellac is a natural resin that is commonly available and easy to apply. Of all the sealers, shellac is perhaps the most universal in its ability to prevent finishing problems. For the best results, only dewaxed shellac should be used in conjunction with water-based finishes and polyurethanes.

Jun 3, 2020 · Since you will be putting shellac on top of shellac I would not hesitate to hit Zinsser Clear or other product 50/50 with DNA to make a sealer. I keep Seal Coat handy in 3 squeeze bottles since use it for so many tasks; 1 bottle of straight 2lb cut, 1 bottle of that hit 50/50 and 1 bottle of that hit nearly 50/50 again. another

I used waxy shellac by mistake to washcoat my mahogany tabletop. Can I still apply grain filler or do I need a coat of dewaxed shellac first? Rick Wells, Marysville, MI. A: You haven’t made a mistake. You should use a seal coat of shellac before filling the grain, and grain fillers work equally as well over both waxed and dewaxed shellac.

Mar 11, 2008 · Shellac is a hard sealer but it's very smoothness reduces the tooth for painting. Of course you could sand it all for "tooth" which then reopens your bleed through factor. Primers act as a binder to the shellac and offer a grabby surface to the finished paint.

It takes longer to dry and is harder to sand than shellac, but you get a durable exterior finish. A more expensive option is a marine-grade sealer that is stearate-free, such as Interlux’s Interprime Wood Sealer (jamestowndistributors.com), suitable for interior or exterior work. From Fine Woodworking #227

Jun 30, 2002 · Shellac also provides an excellent, fast drying sanding sealer that allows the finisher to get to the final finish faster. Finally, boiled linseed oil or an oil/varnish takes 5-7 days to really cure. Applying a coat of shellac before will allow coating with a varnish and have minimal adhesion problems.

Jun 11, 2008 · To deal with this problem, all you really need is a sealer (like shellac), not a sanding sealer. Any lightweight finish that penetrates into the surface fibers of the wood will do. Apart from shellac, you can use a thinned varnish, etc. Once you've applied it, you have to use a hard sanding block and a light touch.

*Shellac is a great sealer for tables and case goods,it can be somewhat problematic on carved surfaces but not on a table.Apply the shellac AFTER the stain has dried completely.I usually reduce a 3lb. cut 50%. Lightlysand with 220 and you should be good to go.

Sep 14, 2009 · Would it be a good idea to use shellac (dewaxed)as a primer? We will be using a water based paint for color and then using a water based poly for protection. This furniture will not be in the direct weather as it will reside under an open porch. If shellac will not work, how about just diluting the water based paint as the first “primer” coat?