Regular maintenance is key to preventing future drainage problems. Avoiding going down to the drain fats, oils and grease. They can harden and cause a clog. Use mesh filters in sinks to trap hair and food particles. Regularly flush drains with hot water to remove soap scum and sediments. Keep gutters and downspouts clean when using exterior drains. This will help prevent clogging your sewer lines with debris. Annual professional inspections help identify and correct potential problems. These simple steps can greatly reduce risk of future drain problems.