How do I deal with a leaking drain pipe?

Leaking drain pipes are a common issue in residential renovation and maintenance. If you find water pooling at the bottom of a cabinet, mold on the walls, or water stains on the ceiling, it is often related to a leaking drain pipe. As a maintenance technician, the first step is not to immediately replace the pipe, but to first identify the location and cause of the leak. Common Causes of Leaks…