Honestly, there’s no one-size-fits-all answer, because urban outdoor furniture takes a beating from sun, rain, pollution, bird droppings, salt, and constant public use. As a practical rule, inspect the surface every three to six months. For high-traffic pieces, wood or oiled finishes, and furniture in harsh weather, plan to reapply protective coatings every six to twelve months. Sealed metal, composite, and well-maintained painted surfaces may only need reapplication every twelve to twenty-four months, while a high-quality powder coating can last two to three years if it stays intact.
The best timing depends on the coating type and the material. Reapply sooner if water stops beading, the color looks chalky or faded, the surface feels rough, or you notice scratches, rust spots, mold, or peeling. Clean the furniture thoroughly and let it dry before recoating, and always follow the manufacturer’s guidance. For urban outdoor furniture maintenance, a quick seasonal check is far better than waiting for visible damage. That simple routine improves coating durability and helps you avoid bigger repairs later.