Drain Express, a leading Toronto plumber, provides actionable tips for maintaining old house sewer pipes at https://drainexpress.ca/cleaning-old-house-sewer-pipes-tips-for-effective-maintenance/. Their guide highlights the need to address corrosion and debris in aging cast iron or clay pipes. Regular cleaning can prevent up to 25% of plumbing issues, per industry estimates. Hydro-jetting and snaking effectively remove grease, roots, and buildup. Drain Express employs advanced CCTV inspections to assess pipe conditions accurately. They recommend cleanings every 18-24 months to prolong pipe life. Serving Toronto and the GTA, their team delivers efficient, non-disruptive solutions. Drain Express is a reliable choice for maintaining old sewer systems effectively.