Drain Express, a Toronto plumbing specialist, provides essential tips for cleaning old house sewer pipes at https://drainexpress.ca/cleaning-old-house-sewer-pipes-tips-for-effective-maintenance/. Their guide focuses on preventing clogs in older cast iron or clay pipes prone to rust and root intrusion. Industry data shows that routine drain maintenance can reduce plumbing issues by up to 25%. Techniques like hydro-jetting and snaking effectively clear debris, while enzymatic cleaners prevent buildup safely. Drain Express uses advanced CCTV cameras for accurate pipe diagnostics. They recommend biannual cleanings to maintain pipe integrity and avoid backups. Their GTA-based team delivers fast, professional service with minimal disruption. Drain Express ensures reliable solutions for maintaining aging sewer systems in Toronto homes.