New translations! in Spanish and German: Hornos de Barro; Lehm Backofens

Thanks to muddy friends Ian Miller, Christo Markham, and Xavier Rodriguez, there are now German and Spanish editions of Build Your Own Earth Oven. The German edition is published by Stocker Verlag, (click here). The Spanish edition is published by EcoHabitar (click here). A few words of thanks are in …

Wood-fired earth ovens: experiments in DIY firebrick (aka “castable refractory”)

I’ve been experimenting with cheap ways to improve lo-cost wood-fired earthen ovens. How can I make mud denser, harder, and more durable? Without going to bricks and/or spending a lotta dough? Adding sand to mud reduces shrink and increases density. But clay and sand are generally still less dense (hold …

Combining Earthen and Masonry Techniques in Wood-Fired Oven Construction

Is it made of earth or brick? This is a common distinction in the world of wood-fired ovens and comes with a whole slew of assumptions. “Earth ovens are cheaper, easier to build but less durable.”  “Brick ovens are expensive, harder to build but more professional and will last longer.” …

How to Make a Rocket Powered Kiln of Clay and Sawdust

Jon and Flip Anderson have been working with stoves and ovens for some years now (HPP regulars may remember their rocket powered oven design.) Last February, they helped teach at the Winter Stove Workshop put on by Aprovecho and InStove. Aprovecho Research Center (ARC) was consulting for Mercy Corps in …