Asbestos-cement (AC) pipe was used extensively in the mid-1900s in potable water distribution systems, particularly in the western United States.

When was asbestos cement pipe invented?

In the early 1900s when asbestos cement pipe was first developed by reinforcing concrete with asbestos, the benefits outweighed the risks for many manufacturers.

How do I know if my soil pipe is asbestos?

A key indicator that pipes may have asbestos lining is in the insulation of pipes, or better yet the lack of insulation. Older pipes may no longer have the insulation wrapping still covering the entire line. Instead, there may be grey or white remnants of wrapping, especially around the fittings.