Low cost stoves can be made of bricks or clay.
Made of clay, as in the picture above, clay is poured into moulds and then allowed to dry and harden before being assembled as shown.
Special insulation is now available in several SSA countries and we can provide you with links to on-line shops where it can be purchased.
For other SSA countries, the ceramic fibre insulation can be ordered from Alibaba but in all cases we advise contacts to email us first at firstname.lastname@example.org to ensure they will get the right type of insulation.
This insulation comes in several forms and experiments are underway to learn what is best.