The difference between a commercial and residential plumbing system is that a commercial plumbing system is usually more tough and sturdy than a home residential plumbing system. Since the materials used to build a commercial plumbing system are almost always made of high grade material than what is used in a residential system, they are able to handle a higher amount of usage and sometimes the abuse that the public can put them through. The higher grade of material initially comes with a higher cost, it also means that your commercial system should provide many more years of reliable service with a lot fewer plumbing issues than what one might see with a residential sewer system. As the years pass, most well built commercial systems can show signs of wear and eventually you will need to either replace your buildings plumbing system or give it an upgrade. Here are some signs that your commercial plumbing system may be in need of a repair. Water Stains While water stains on ceiling ti...