I'm looking into running a 10mm earth from the gas meter to MET.
a portion of the route is through the external cavity wall, but it's filled with rockwool. i don't fancy running it up the outside of the wall in ducting stuff.
are there any regulations against me doing that?
a portion of the route is through the external cavity wall, but it's filled with rockwool. i don't fancy running it up the outside of the wall in ducting stuff.
are there any regulations against me doing that?