Nashville is full of charm — from historic neighborhoods to character-filled older homes that have stood strong for decades. But while the architecture is timeless, the same can’t always be said for the plumbing hiding behind the walls. Many homes across Nashville, Murfreesboro, Franklin, Smyrna, and the broader Middle Tennessee region  were built long before modern plumbing standards, and their pipes are finally starting to show their age. At Twenty-Four Hour Plumbing LLC ,