N
namsag
Kirk the normal rules on running pipework to inst or outset fires would apply and no reason why not .but your wording is for cavity installs.
Johnd i saw your safe zone comment which in reality is just about the whole wall. which just about negates your not allowed to do comment
Johnd i saw your safe zone comment which in reality is just about the whole wall. which just about negates your not allowed to do comment