WOODCOCK Longest Lasting Wood Sealer & Water Repellent DIRECTIONS FOR USE PLEASE READ PRIOR TO APPLICATION RECOMMENDED USES; For use on virtually all properly prepared, exterior wood surfaces such as decks, docks, sidings, specialty hardwoods, pressure treated Umber, garden furniture, playhouses and log/timber frame homes. Do not apply over previously painted or stained wood surfaces without proper preparation. Contact an INSECT representative for detailed specifications. SURFACE PREPARATION! 1.