We are an internationally renowned construction and architecture firm, specialising in rammed earth building and earthen products. Formerly known as Lehm Ton Erde, the company founder Martin Rauch has been pioneering with earth construction for over 35 years and in world expert in the material. He and Lehm Ton Erde have realised over 100 projects all around the world, published 3 books, and led the industry in rammed earth innovation. We have a world unique prefabrication method for rammed earth construction known as ERDEN PURE. Our structural PURE products are 100% earth - there is no cement and no other chemical present in the product or used in the fabrication process. This means PURE products are 100% recyclable and the perfect material for use in cradle-to-cradle design. The ERDEN vision is to have a more sustainable and circular construction industry. Our focus is on creating beautiful architecture of a very high quality in an environmentally conscious way. For more information on us, visit our website