Not sure what type of plumbing pipes are used in your home? This is good information to know, as it can help you to troubleshoot plumbing issues and also make things easier when it comes time to consult a plumber for a more major repair. Plumbing pipes fall into two major categories, metal and plastic, but there are many different types in each category. Each type offers benefits and drawbacks, and some types of piping are more common than others. Here’s a look at the different types of plumbing pipes seen in today’s buildings: