Awhile ago, I wrote to you asking if you had any recommendations for stabilizing our 14′ (inner diameter) scoria dome tank house which had started to fail as a result of the bags breaking down. I wanted to give you an update.
We paid a crew last November to shotcrete it inside and out, and it is performing very well. I just wish I knew whether it was the mass of concrete or the insulation of the bags. Probably a combo. I am interested to see how it performs once the mass has heated up a bit this summer.
Our final stop on the tour of Asher Gelbart’s off-grid homestead was a work in progress of incorporating an old Airstream trailer into a larger architectural project. Asher is holding up a model of this concept, which would not only feature a spiral roof covering most of it, but also earthbag domes.
Most people would not realize that this roundhouse was actually made from earthbags, because of Clay’s faux stone rendering. This is similar to a 
