These wood fibers are mineral coated to seal the wood and neutralize the sugars that cause decay, then mixed with a small quantity of cement as a binder to form sturdy blocks 2 feet long by 12 inches wide and 8 inches high. On the job site these natural and breathable building blocks are then dry stacked to form a wall that is filled with cement to form a reinforced concrete grid surrounded by breathable, insulative wood chips. The surface can then be stuccoed inside and out, or take any number of other exterior applications.