Common Plumbing Problems in Older Homes
Older homes have character — and plumbing that may have been repaired, extended and patched over decades. Knowing what to look for helps you plan ahead rather than react.
What you might find
- Galvanized steel supply lines that corrode inside and restrict flow
- Cast iron drain stacks that can crack or rust
- Clay or older sewer laterals vulnerable to roots
- Possible lead service lines in some very old homes
- Missing or outdated shut-off valves
- Past DIY repairs that don't meet current code
Signs to watch for
- Rusty or discoloured water
- Low pressure
- Frequent leaks
- Recurring main drain backups
Planning upgrades
Many owners replace systems in stages: supply lines first, drain stacks during renovations, and the sewer lateral if inspections show damage. A camera inspection and a plumber's assessment help set priorities.
Related plumbing services
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