Why Cast Iron Sewer Pipes Corrode and How De-Scaling Can Help
Cast iron sewer pipes have been a reliable choice for plumbing systems for decades due to their durability and longevity. However, even these sturdy pipes are not immune to corrosion over time. Understanding the causes of corrosion, how de-scaling of cast iron sewer and drain lines can restore functionality, and preventative measures to extend the life of cast iron pipes can save homeowners from costly repairs.
Causes of Corrosion in Cast Iron Pipes
Several factors contribute to the gradual corrosion of cast iron sewer pipes:
- Age: Over time, cast iron pipes naturally degrade as exposure to water and oxygen creates rust on the interior surfaces. This rust can flake off, restricting water flow and weakening the pipe's structure.
- Water Acidity: Highly acidic or chemically imbalanced water accelerates the corrosion process. Water with a low pH can react with the metal, causing it to deteriorate faster.
- Debris Buildup: Over years of use, grease, soap scum, hair, and other debris accumulate inside the pipes. This buildup traps moisture and encourages the growth of bacteria, which can release corrosive byproducts.
How De-Scaling Can Help
De-scaling is an effective solution to remove corrosion and restore cast iron pipes without the need for replacement. Professionals use specialized tools, such as rotating cable machines or hydro-jetting equipment, to scrape away rust, mineral deposits, and debris from the pipe's interior. This process:
- Restores Proper Flow: By clearing blockages and corrosion buildup, de-scaling improves water flow and prevents clogs.
- Prevents Further Damage: Removing corrosive elements helps protect the pipe's integrity, reducing the risk of leaks or structural failures.
- Extends Pipe Lifespan: De-scaling can add years to the life of cast iron pipes, delaying the need for costly replacements.
Preventative Measures for Long-Term Maintenance
Homeowners can take steps to minimize corrosion and prolong the life of their cast iron sewer pipes:
- Regular Inspections: Schedule annual plumbing inspections to catch early signs of corrosion or buildup.
- Avoid Harsh Chemicals: Use gentle, non-corrosive drain cleaners instead of chemical solutions that can damage the pipe’s interior.
- Flush Pipes Periodically: Rinse the system with hot water or a vinegar solution to break down minor buildups.
- Professional Maintenance: Invest in regular de-scaling services to keep pipes clean and free of corrosive materials.
By addressing corrosion early with professional de-scaling and implementing preventative maintenance, homeowners can preserve the functionality of their cast iron sewer pipes and avoid unexpected plumbing issues.
At Mathis Plumbing & Heating Co., Inc., we're the preferred choice for a reputable and skilled Greenwood plumber. Call today to schedule de-scaling of cast iron sewer and drain lines in Greenwood.
