 That's fine. People that seal decks for a living, they do do the pressure washer. I just want to caution you, as a do-it-yourselfer, you've got to be careful with that. Sanding the deck, if you've got a little splinter or something that you just kind of want to knock down some of the grain or something, that's fine. But to get out there, and I've seen some people literally ruin their deck trying to sand it.