In article >,
"A. Kesteloo" > writes:
> This company makes cast iron doors. They are for a barrel stoves / bbq but
> should work on a brick pit as well.
> http://www.vogelzang.com/Manuals/bk150eMnl.htm

I suspect you could also hit up wood-burning stove manufacturers
or dealers and just order doors. I'll be looking for these soon
as well. I've also thought about those cast chimney clean-out
door assemblies. I imagine you can get these in large sizes.

--
- Kyle