Hi there, I am currently building an earth bag house and several sections will be bale on earth bag, I have read and seen photos of it in various places. With straw bale I am doing 2 courses of bags minimum above grade before I set the bales, in most places my bags are 4-6 courses before I set the bales. I am building into a hillside so I want to be sure that my bales won’t get wet when heavy rain comes. I’ll try and find an article on bag foundations and post a link to it.