I'm not sure that modern building codes would permit this but historically cob has been used to create high density housing, with Yemen being the best example:
7 years ago I toured a 2-story strawbale construction with solar and wind and geothermal, that used to be a doctor's office. I was already on a natural building kick but this cemented* it as lifelong.
I'm not sure that modern building codes would permit this but historically cob has been used to create high density housing, with Yemen being the best example:
Cob city
Stomped-Cob City
7 years ago I toured a 2-story strawbale construction with solar and wind and geothermal, that used to be a doctor's office. I was already on a natural building kick but this cemented* it as lifelong.
*lime plaster