Rammed Earth is free construction method. 

Rammed Earth

Rammed Earth is made with only two elements: soil and water.
When combined allows to create a monolithic piece of earth. 

sustainable, long-lasting

sustainable, long-lasting

sustainable, long-lasting sustainable, long-lasting

The only difference in a Stabilized Rammed Earth is the addition of a little cement, a small percentage that allows to have more stability and the possibility to build more than one floor in a safely. Another benefit is that a Stabilized Rammed Earth does not need painting or plastering.

Stabilized Rammed Earth 

Characteristics of rammed earth