What are the pressure-washing tolerances for powder-coated cast iron outdoor trash cans?

Maintaining powder-coated cast iron outdoor trash cans requires careful attention to pressure washing tolerances to prevent damaging the durable finish. The maximum safe pressure is typically 1200-1500 PSI using a 25-40 degree wide fan nozzle tip. Always maintain a minimum distance of 12-18 inches between the nozzle and surface to distribute pressure evenly. Use cold water rather than hot, as excessive heat can soften the powder coating. Pre-rinse with low pressure to remove loose debris and work in consistent, overlapping strokes without focusing on one area for too long. Avoid using harsh chemicals or abrasive cleaners that could compromise the coating's integrity. For heavily soiled cans, consider using a specialized powder coat cleaner instead of increasing pressure. Regular maintenance washing at lower pressures (800-1000 PSI) will preserve both the appearance and corrosion protection of your powder-coated trash cans for years. Always inspect for chips or damage before pressure washing, as water intrusion under compromised coating can lead to rust formation on the cast iron substrate.