Can Rats Chew Through Copper Pipe. The only way that a rat could physically be capable of chewing through a pipe is if that pipe was already compromised. Super strong teeth are not the only superpower like trait these rodents possess.
Rats can chew through the copper causing leaks and other major issues. Even a pvc water line might be good enough. If your house has a solid concrete foundation its very unlikely that rats will be able to get in through the floor.
Uh pipes metal pipes.
Power to chow down. A rats teeth like ours are made up of enamel-covered-dentin you know. You may have copper piping around your home to carry your water supply. Yes rats can chew through expanded foam and have even been known to gnaw degrading concrete electrical wiring glass vinyl and wood.