It is two to five days process ( with some exceptions ) of replacing all the interior potable water lines, starting from the main shut off valve throughout the  water heater to every fixture that has water connection . To replace or reroute your old system we will  carefully cut and open access holes in walls and ceilings where it is necessary - using proper protection of your home interior. After the plumbing is done it's time for wallboard repair with matching texture and paint and all that is included in the quoted price ! TURN-KEY solution with customer satisfaction is top  priority for us! Give us a call for more info or if you just need a price quote. We would love to earn your business and trust !