I HAVE A WOODENBOAT WHICH HAS SAT OUT IN THE SUN FOR 2 YEARS WITH NO COVER. IT WAS BUILT USING THE WEST SYSTEM. THE DECK AND TOPSIDES WERE ONLY VARNISHED, AND ARE BADLY DISCOLORED AND PEELING. THE OAK HAS TURNED DARK AND I WOULD LIKE TO BRING IT BACK TO AS CLOSE TO ORIGINAL AS POSSIBLE. WHAT WOULD YOU SUGGEST?