Every apartment needs renovation from time to time, as some home systems such as wiring or plumbing may fall out. When developing the future design of a piping system, the engineer should take into account many aspects. Replacing the worn plumbing begins with the choice of materials and sizes of pipes for the new system. Each proposal has its own pros and cons that should be considered before purchasing. It is also relevant to draw attention to temperature changes that might effect pipes, such as freezing or thermal expansion. Let’s take a closer look at possible pipes materials.