How to use sanding sealer before staining. If you put a hard brittle finish like lacquer over a thick soft one like sanding sealer it is much more likely to chip and crack. Were using a wipe on oil finish as the sealerthe key is to apply a thin base coat to partially seal the wood before wood stainingsanding sealers dewaxed shellac and wipe on finishes will all do the trick. A word of warning is in order. Just make sure the sealer and stain youre using are compatible.
It is designed as a base coat that will dry quickly seal the pores and sand easily with fine sandpaper to create an ultra smooth foundation. Truth is any film forming finish works as a sealer because it closes off the pores of the wood and lays a base for the topcoats. Finishing applying a sanding sealer to your raw project is a great way to seal the surface and allow your final topcoats to lay on the wood much smoother and with finer luster. Apply stain the.
For the best results test the possible finishes on scrap pieces before you start. Some types of wood like pine cherry birch and maple are notoriously difficult to stain. Wood dust from sanding will cause problems if its not removed from the surface before staining. So most of the time you can seal wood using the same finish youll use for additional coats.
Instead use a tack cloth a sticky piece of cheesecloth made especially for this purpose. Always after sanding sealer is usually some form of lacquer or shellac that actually seals the wood and raises the grain preventing the stain from penetrating the wood. That will leave you with a smeary stained surface. If you routinely apply sanding sealer before finishing you may be taking an extra unnecessary step.
Dry rags or brushes arent the most effective tools for removing dust. If you use a sanding sealer before you stain then there isnt any wood fibers for the stain to absorb into. The stearates make sanding sealer rather soft. For that reason if you use sanding sealer stick to one or two coats at the most and plan to sand most of it back off.