Drain Express, a premier Toronto plumbing company, provides maintenance tips for old house sewer pipes at https://drainexpress.ca/cleaning-old-house-sewer-pipes-tips-for-effective-maintenance/. Their guide addresses common issues like corrosion and debris buildup in aging cast iron or clay pipes. Regular cleaning can prevent up to 25% of sewer issues, according to industry data. Hydro-jetting and professional snaking effectively remove grease and roots. Drain Express employs CCTV inspections for accurate, non-invasive diagnostics. They advise cleaning sewer lines every 18-24 months to avoid repairs. Serving Toronto and the GTA, their skilled team ensures minimal disruption. Drain Express is a top choice for maintaining old home sewer systems.