Treating Unfinished Wood. By Tatiana Morales. July 14, 2004 / 1:19 PM EDT / CBS Americans spend more than ... The first seven steps are the same to finish wood with paint.

First, get rid of the mold sitting on the surface of the unfinished wood. Rubino recommends vacuuming the surface if you have a HEPA vacuum, as the filter helps to contain mold spores.