Repiping -- help with shower plumbed on exterior wall
We are planning to replace all of the polybutylene piping in our house with either CPVC or PEX. While somewhat nervous in general about the "turnkey" job that will leave the house looking the exact same or better, we are especially nervous about repiping the master bath. We have double shower heads with one located on an exterior wall.
Will the plumbers have to access through the tile? I am having nightmares about broken and shattered tiles. The exterior wall is brick, so that wouldn't be fun either. I would guess that there are one or two studs between the interior wall and the shower head, so not sure if you can access it that way either. Repiping the entire house except for the one side of the shower seems like testing Fate or Lady Luck.
Would repiping with PEX be any easier vs. CPVC? Augh!!