Heat mass layer on Cob Oven #1

Finally the first layer of cob goes on. Now it feels like the oven is really on its way after lots of preparation work. The mixture that goes on first is made of 1 part clay, 3 parts sand and enough water to mix, but not too much so that you have a good working material. We got the clay and sand from generous neighbours, literally three minutes away! Now we just have to wait for it to dry out enough to dig out the sand form and put the next layer of insulation on. To be continuedโ€ฆ