Why copper repiping ?

Copper repiping has been the industry standard for a very long time, many older homes have Copper M -Type pipe systems, which are not as durable as the current type of copper used ( L-type). M-type copper pipes have thinner walls around the pipe’s circumference than L-type copper pipes. Copper produces sturdy joints and has a longer lifetime span than PEX. The only disadvantage of using copper in repipe services is that the upfront cost is higher than PEX. and may take a day or two longer