I have a ejpae deck with sikkens cetol dek finish.It is badly sun damaged in some areas but other areas are barley weathered.I was wandering what the proceadures where for recovering the deck back to its uniform original state,without seeing any trademark spots where the sekkins is still good,meeting my refinished work.Same issues with door and window sills(dont want to re finish a whole door for one little spot at the bottom of the door.Can i faux this stuff or not.Whats your advise?