Cob Re.cob fireplace

[Rog]

> I'm sure concrete would work - maybe a bit tricky to form - don't know
about
> wiremesh expanding in the heat etc.- and isn't cobbing somewhat about not
> using cement...:)

Heh, yeah, it is I guess.
However, I'm more or less committed to using a bit of concrete in the mix
for my foundations so I might as well go that step further with the fire
place.
But the point is valid.  Any alternatives coming to mind?

Rog.