In article ,
tony sayer wrote:

When we did the one i referred to we didn't bother asking the neighbours
it could all and was all done from our side. It was a bit tight to get
it all in there but a couple of young fit men did it.

yeah, that's tempting, and would be a lot easier given his unknown
whereabouts!

Feels wrong though, and possibly risky :-(

In answer to the previous enquiry I don't recall them putting anything
specialist in they just used mortar to seal it.

Ok, that's good to know. cheers,

Darren