> Copper is used for pipes. They are much more expensive than plastics. Rats do not chew through copper. Getting a plumber out, replacing the pipe section, re

> Copper is used for pipes. They are much more expensive than plastics. Rats do not chew through copper. Getting a plumber out, replacing the pipe section, replastering, etc to deal with the fallout was substantially more expensive than laying copper pipes would have been.