Applying lacquer over shellac. Can shellac be used as. Yes this shouldnt cause a problem though i dont know why you would do it. Read more from flexner on the compatibility of various finishes. Before applying lacquer over the shellac level the shellac from any raised grain nibs ets.
It will serve your project very well. However for the project you describe if you are using shellac as a sealing coat why not use it as the complete finish. Lacquer over shellac is a fine finish. Since shellac dries quickly be careful to avoid drips or blotchy areas when applying because unlike other finishes you will likely not have time to over brush to eliminate the blemish.
What about the question. I assume youre going to use. How many coats of shellac should you apply. Use a two or three pound cut of shellac and apply generously with long smooth strokes.
Zinser does make a product called seal coat that is a de waxed shellac mixed to a 2 cut ready for use as a sealer. Over tung trp varnish yes yes and yes. The wood is already sealed with the shellac. Ive heard that you should only use dewaxed shellac under lacquer but others have told me it doesnt make a difference.
Is it ok to apply a sanding sealer over a first coat of shellac. Use the shellac as as a sanding sealer and to get a smooth finish before applying lacquer. Shellac is the classic finish for being applied by a traditional method commonly known today as french polishing. You want to keep the shellac thin.
With nitrocellulose lacquer it doesnt matter if the shellac is de waxed or not. Thirdly shellac can be applied by brush and for certain jobs this is the right way to apply it. Yes shellac is a great barrier coat and wash coat lacquer works well over it. Two to three thin coats of shellac will generally give us the look we want for our diy projects.
Brushing on shellac requires a fine natural or china bristle brush. One good coat is all you need. The flake mixed with dna is better than the hardware store canned. But its not the ideal application tool for shellac when tackling large flat surfaces.
Shellac can be applied to bare wood and it can be applied over a stain. Just continue with the coats of lacquer right over the shellac.