EPA-registered, fungicidal preservative protects against rot and decay. Inhibits surface growth of mold, mildew and staining fungi. Water repellant resists water damage, including warping, swelling and end-checking. Anti-wicking property resists moisture absorption through end cuts. 100% clear--allows natural wood color to show through and gray naturally. Paintable, stainable formula extends top-coat life by inhibiting peeling and blistering. Fast, easy clean-up with soap and water.