Cob Maintaining monolithicity (spot the made-up word?)

[Rog]

> I agree Michael...monolithic means ONE...a plastering of cob over the
wood
> is a real recipie for a mess...the wood will dry and move, and the cob
> won't..causing cracking, etc.  Robs sawdust/lime/ cement ? recipie as
> mortar seems to work well...  a waffle cone wall of cob with holes where
> wood was, or is, shrinking  sound like much more than a thermal nosebleed
> too!

Why bother with an insulation in the middle at all?
Methinks the saw-dust cob stuff I've seen is 'light' enough as it is.

Cheers (as always), rog.