“Many of you might be wondering “Why would I want to mix cob with a tractor?” There are other good methods of mixing cob with your feet, using a tarp, or in a pit that don’t require the burning of fossil fuels. This is true, and any method of mixing cob without heavy machinery is going to be the purest form of cob mixing with the lowest amount of embodied energy.
tractor cob
Bioconstruction – Hay and mud rolls technique
This is very interesting. This natural building method is about 10-20 times faster than building with cob even though it is quite similar.
“Hay and mud rolls to build a wall. natural construction technique created by Elizandro in Samaipata.”
Rototiller Cob
There are hundreds of uses for cob, so this technique is something good to learn about even if you’re not going to build a cob house.