how to restain wood that is already stained

Stain previously stained wood re-staining over previously stained woodwork (image source) wiping stains. the second method for changing the color of the previously stained woodwork is to re-stain it. you cannot use a standard penetrating stain for this because the surface is already “varnished” and sealed.. You can restain that wood with another coat of stain that better matches what you had in mind. stain penetrates into the wood without changing the composition of the wood. all you need to do is lightly sand the wood before applying more stain. restain wood for a different color. things you'll need. 100-grit sandpaper. hand block.. If the wood you are refinishing already has a clear protective finish, you need to test for adhesion before applying polyshades