What kind of clay do you use for an outdoor oven?
Probably any fire clay would be fine. We recommend Hawthorn Fire Clay because of it’s workability and affordability. This dry clay is much less expensive than a “potter’s clay” which is usually a moist clay with fluxes and glass formers which are not needed for a clay oven.
How do you build an outdoor earthen oven?
Download the ebook at the end for more details in each step!
- Step 1: Create sand-clay mix for the earth oven.
- Step 2: Make a base with insulation for your outdoor pizza oven.
- Step 3: Build a sand form size of the cob oven interior.
- Step 4: Build the thermal layer for an effective wood fired outdoor pizza oven.
Can you use normal cement for pizza oven?
Builder’s mortar or refractory mortar coupled with Portland cement based concrete or refractory concrete is used extensively to build high quality pizza ovens. Mortar helps in building the firing chamber, but is unsuitable for the hot hearth face inside.
How do you bake clay pottery?
As kitchen ovens can only achieve certain temperatures, it is best to use clay that can be fired at a low temperature (around 120 degrees celsius). Place the finished object in the oven for around an hour at this temperature or for up to 3 hours for thicker or larger projects.
How much clay is needed for a cob oven?
So total clay needed is about 25 gallons for a 22-1/2″ oven, about 35 gallons for a 27″ oven, and about 50 gallons for a 36″ oven. Sand: Sand is your aggregate. It reduces shrinkage of the clay as it dries and it adds total strength to your oven walls. You need to use angular sand, not smooth sand or silt.
How do you cook in an oven ground?
A large enough hole is dug into the sand and heated rocks are added to the bottom of the hole. A layer of seaweed is then laid on top to create moisture and steam, followed by the food. Lastly, another layer of seaweed is added to trap in the steam and cook the food, which mainly consists of shellfish and vegetables.
Is a clay oven?
The primitive clay oven, or earthen oven / cob oven, has been used since time immemorial by diverse cultures and societies, primarily for, but not exclusive to, baking before the invention of cast-iron stoves, and gas and electric ovens. In primitive courtyards and farmhouses, earthen ovens were built on the ground.