Old Clay, Cast Iron and Orangeburg Pipe Guide in Nashville and Middle Tennessee
Material guide

Old Clay, Cast Iron and Orangeburg Pipe Guide

What older neighborhoods have under the ground, how each old pipe fails and what replacing it involves.

Homes built decades ago often have sewer laterals made of clay tile, cast iron or a tar-and-fiber pipe known as Orangeburg. Each was a fine product in its time. Each has weaknesses that show up as roots, cracks, sags and collapse as the years pass.

Clay tile has many short joints that let roots in. Cast iron rusts from the inside and can scale until the pipe clogs. Orangeburg softens and deforms over time and can collapse completely. A camera inspection tells you which you have and how bad it is, and replacement with PVC or HDPE removes the problem.

Best for

  • Homes built before the 1980s
  • Older neighborhoods and towns
  • Buildings with recurring clogs
  • Properties before purchase

How we handle it

  • Camera inspection before work
  • Open trench or trenchless replacement
  • New pipe with cleanouts
  • Final inspection video

Keep in mind

  • Failures can be sudden
  • Roots are a recurring problem
  • Replacement can be disruptive without trenchless options
The details

What defines Legacy Pipe

Clay tile

Many joints, root intrusion.

Cast iron

Corrodes and scales from inside.

Orangeburg

Soft fiber pipe that can collapse.

Camera tells all

See the pipe before deciding.

Replacement options

Trenchless or open trench.

Modern replacement

PVC or HDPE with cleanouts.

Questions

Legacy Pipe FAQ

How do I know what pipe I have?

A camera inspection shows it. The age of the house is a clue.

Can old pipe be lined instead of replaced?

Lining works on some pipe in good shape. A camera shows whether it is possible.

Does old pipe always need replacing?

Not always. If it is clear and sound, regular maintenance may be enough. A camera can tell.

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