What is cast iron drain & waste line replacement?
Many older homes have cast iron drain and waste lines running under floors, inside walls and down to the main sewer line. Over decades, cast iron corrodes from the inside, narrowing the pipe and eventually cracking or rusting through. Replacing these indoor lines restores drainage and prevents hidden leaks.
Signs you may need cast iron drain & waste line replacement
- Slow drains in several rooms.
- Rust stains or flaking on visible pipes.
- Sewer smells inside the home.
- Water stains on ceilings or walls below bathrooms.
- Cracks seen in cast iron during a camera inspection.
Think you need cast iron drain & waste line replacement? Call to talk it through with a local pro.
Call (805) 902-1160How cast iron drain & waste line replacement works
- Camera inspection of indoor drain lines.
- Plan access to limit wall and floor openings.
- Replace sections or full runs with ABS or PVC.
- Inspection where required.
- Test all fixtures and drains.
Cast Iron Drain & Waste Line Replacement in San Luis Obispo
Historic and mid-century homes across San Luis Obispo often still have original cast iron drains. Remodels are a great time to replace them, since walls and floors are already open.
What affects the cost?
Cost depends on how many fixtures and how much pipe is involved, access through walls and floors, and repair of finishes afterward. Always ask for a written quote and a copy of any camera footage before work begins.
Helpful tips
- Replace cast iron during kitchen or bath remodels.
- Inspect under-slab sections with a camera.
- Consider replacing the outdoor lateral at the same time.
