Repiping House in Jacksonville, FL

My house has copper pipe. Normally this is the best piping, but not in Jacksonville. Something about the city water eats the pipe causing pin hole leaks. I am thinking about re-piping before my copper starts to leak. First I am trying to decide between PEX and CPVC. PEX sounds good, but CPVC has been around longer. The second thing is when I look at other re-pipe jobs they run the new CPVC in the unheated space of the attic. This makes the job alot easier, but it can freeze in Jacksonville (even though for only short periods on time). Is it O.K. to run this piping in the unheated space of the attic?

Any thoughts appreciated,

Robert

Go ahead and insulate.

Robert
I grew up in the Melbourne area and my recommendation is to go ahead and insulate your domestic water lines. Small price you can pay when compared to what damage can be done by a cracked pipe or elbow located in an unconditioned area during winter.
I am not sure about the florida code any more since I do not live there now but it probably says somewhere that pipes shall be insulated...not sure.

In any case my recommendation is to go ahead and insulate them even if you decide to use PEX in lieu of CPVC.
Dave

If you are worried about freezing, you would be better off with PEX

CPVC shatters pretty good.

If pipes are in the attic, insulation should be over the pipe, but not under.