Looking pretty darn 'done' to me.
One question, though: were you considering diverting the stack heat? I know when talk was of a 'cowling', I thought that was how it would be accomplished.
Mind, a few wisps of cotton wool drifting off would prolly hush me up.
Doug
Edit: Just reread answer to my previous post
You been on the blog again Doug?
almost as 'grog again, Doug?' and have to say, yes, rather intoxicating.