Monolithic clay walls, compacted with foot, by means of a wooden formwork. Thermic, non-toxic, due to the monolithic nature of their walls known to work better than building blocks separated as brick, block or adobe to earthquakes, the earth is very strong in compression and can be used for the multi-storey load construction. One of the advantages of this wall is that you can leave the natural without finishes or the same way with any finish.