If you're buying an old house, beware of old galvanized steel water pipes. These pipes build up with sediment on the inside, making the inside diameter of the pipe smaller and smaller over time, ...

Q: I live in a 1940s house that has galvanized pipes. The cold-water tap in the bathtub has become blocked. A plumber said debris from the pipes was clogging the pipe, and the only thing I could do ...