Diagram/Tim CarterThis rough-in plumbing diagram shows exactly what the drain and vent pipes will look like once installed. Q. ... and this pipe is in the ground under a concrete slab.

Plumbing Slab Leaks. One way to figure out whether you have a leak is to mark and record your water meter and wait 30 minutes, per AAP-Home Services.

In other cases, pipes were simply run through rough rocky soil that would eventually, with shifting and settling, erode or puncture a pipe, causing what’s known in the plumbing field as a slab leak.

Concrete slab foundation homes became popular in the early 1900s and increased with time. They went mainstream for a reason, but they tend to complicate the maintenance and functionality of other home ...