In Queensland, the tropical and subtropical climate can be harsh on outdoor wooden structures, including hardwood decks. Given the region’s high humidity, frequent rainfall, and intense sun exposure, it is recommended to oil a hardwood deck at least once a year, in some cases twice. This helps maintain the wood’s natural oils, protect it from moisture absorption, and prevent damage from UV rays. Regular oiling not only enhances the deck’s appearance but also extends its lifespan by protecting it against the elements.