Earthbag building uses polypropylene, burlap or another bag material to hold dirt. These earthbags are filled on top of the wall in order to avoid the heavy lifting and drying of 60 pound bricks. Between each row strands of barbed wire are for further tensile strength. These homes have a low cost in materials, low skill in building experience and outstanding strength and for their resistance to hurricanes, tornadoes, earthquakes, fire and termites. And green sustainability.