William Bronson wrote: Check with the guys at these forums:
http://www.fornobravo.com/community/
Some one there probably has experience with such a build.
Make sure they are not glazed.
Chadwick Holmes wrote:Terra cotta does expand and contract a lot with heat, so my advice if you build one like this is to heat and cool the oven very slowly, this will minimize damage due to this effect.
Start with a small fife and build up slowly, getting to temp in two hours or so, then use a door to cool down overnight.
Just my thoughts!