Signs the pipe is damaged, not just clogged
- Backups return within weeks of a professional cleaning
- The cable brings up pieces of clay, rust or plastic
- A soft, sunken or unusually green strip appears across the front lawn
- Camera footage shows a crack, an offset joint or a collapse
Why laterals fail under Scarborough lawns
Clay tile and cast iron were standard when much of southern and central Scarborough was built. Clay joints loosen and admit roots. Cast iron rusts through along the bottom where water runs. Freeze and thaw cycles and the clay-rich soil common in the area move pipe slowly over decades. Even newer PVC lines can sag when backfill was not compacted well during construction.
How a repair proceeds
- A camera inspection pinpoints the damage and its depth.
- We discuss whether a spot repair or a full replacement makes more sense.
- Utility locates are arranged before any digging.
- The damaged section is excavated and replaced with new pipe and proper couplings.
- The line is tested, inspected, and the trench is backfilled and compacted.
What shapes the cost
Depth, length, what sits on top (lawn, driveway, interlock, a tree) and whether the damage is in one spot or along the whole run all matter. Work inside the house under a basement slab is a different job from work under the front yard. We price it once we know what we are dealing with.
When to call
If you are on your third cleaning in a year, it is time. Repairing the lateral is often less disruptive than repeated basement clean-ups, and it pairs well with a backwater valve while the line is open.