Earthen Floors, a book all about installing and living with earth-based floor systems, is due out April 1, 2014. The first of its kind dedicated solely to the art of making inexpensive, durable, and beautiful floors made mostly of sand, clay, and fiber. There are a host of books that touch upon the topic of floors, but few that delve very deeply into the nitty gritty details. This will be a welcome addition to the natural building library.
before you take on building your project, start by sculpting yourself a model. You can use clay soil or purchase modelling clay...it doesn't matter. Your model will represent the thick walls of whatever system you are actually building with. Make sure your model represents some sort of scale...like 1/4" for each foot of the building. This is a passive solar cob house at Earthaven Ecovillage by Steveo Brodmerkel, www.kleiwerks.org