To prevent rust on the joints and screws of your metal urban outdoor furniture, a proactive and consistent maintenance routine is essential. Start by selecting furniture made from inherently rust-resistant metals like aluminum, stainless steel, or powder-coated steel. For existing furniture, regular cleaning is the first line of defense. Wash the furniture every few months with a mild soap and water solution, using a soft brush to scrub joints and screw heads thoroughly. Rinse completely and allow it to dry fully in the sun.
After cleaning and drying, apply a protective barrier. A clear automotive or furniture wax can be buffed onto metal surfaces to repel moisture. For added protection, especially on vulnerable screws and weld points, use a specialized rust-inhibitive spray or brush-on coating. Silicone-based lubricants or WD-40 can also be sprayed into joints and on screw threads to displace moisture and create a protective film. Always reapply these protections after cleaning or heavy rain.
For furniture that will be exposed to harsh weather, consider using waterproof furniture covers. Ensure the covers are breathable to prevent condensation. Tighten any loose screws periodically, as movement can wear away protective coatings. If you notice minor rust spots, address them immediately by sanding the area with fine-grit sandpaper, applying a rust converter, and then touching up with matching paint or sealant. By implementing these simple steps—regular cleaning, applying protective coatings, and using covers—you can significantly extend the lifespan and appearance of your metal urban outdoor furniture.