Texas Flip and Move had the rehabbers buying a grain bin then making
it into a small house. The bin was a fourteen or sixteen foot diameter.
The eve might've been about ten feet high originally but they raised it one
ring. Rings are about 30" or so. It didn't look like they insulated the
peak
too well but it was hard to tell. Anyhow, some pictures here of other
bin remodels.
https://www.bing.com/images/search?q=grain+bins+into+houses&FORM=HDRSC2
or http://alturl.com/e6cih