Cob – A Natural Building Course ← Spiral Ridge Permaculture

Cob – A Natural Building Course

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Date(s) - Aug/Sat/2015 - Aug/Tue/2015


Spiral Ridge Permaculture


Tags community building, Hands-on permaculture, natural building, permaculture, southeast, Tennessee

Cob - A Natural Building Course

Cob Building Workshop

A Natural Building Course June 12-15  August 8-11, 2015

Note:  The original course was scheduled for June, but due to unforeseen circumstances we had to cancel.  The new dates coincide with the first four days of our longer 9 day Natural Building Course.

cob building with Spiral Ridge PermacultureJoin us for a four day cob building workshop where art meets function.  Create an elegant garden entrance and gate with us, using cob, stone and wood.  Engage your senses.  Arouse your creativity.  Create a lasting impression.

This workshop will teach you the basics of cob building.  Cob is an ancient method now revised and improved upon with modern development.  From design to construction, you will participate fully, while expressing yourself and your inner artist.

Cob is a mixture of sand, straw and clay.  This mix is made into loaves or lumps, which are then used to build walls.  Cob is virtually free form and is akin to sculpting.  By using this cheap, locally available, healthy and creative medium we can create garden walls, benches and even houses.  Although house building is a more advanced skill, building small structures with cob is something that most everyone can do to add beauty and function to their landscape.  Building with cob is fun, muddy, encourages community building and is an empowering process.  People of all ages can participate.


Andy Sahn, Spiral Ridge Permaculture Instructor Andy Sahnhas devoted his life to the field of sustainable development in construction, agriculture, and ecological design. Beginning in Israel at Ecovillage Kibbutz Lotan, Andy received a premier education in sustainable agriculture, natural building, ecological design & social justice, and earned his Permaculture Design Certificate.
Inspired and reborn with a new sense of awareness, he continued on traveling across the U.S. learning & developing his skills. In 2011, Andy apprenticed at the North American School of Natural Building, in Coquille, OR,  where he studied with builder, philosopher, inventor, Ianto Evans. He then went on to work with many other natural builders and has taught workshops in Austin, Tx, New York, Oregon, Tennessee, and Mexico. Andy’s passion to educate people about the ease of building with earth and the wealth of other local, minimally processed materials, has helped empower many others interested starting in their own projects.  He is the owner/creator of Earthen Home Designs in Nashville.


Spiral Ridge Permaculture Teacher Cliff Davis

Cliff Davis  has vast experience in the fields of permaculture, food forestry, organics, appropriate technology, natural building, deep nature connection and regenerative agriculture, that allow him to offer an integrative approach to land and culture repair. Cliff first became involved in natural building in 2004 when he helped build a cob shed with Christina Ott of Barefoot Builder.  He went on to study other forms of natural building, eventually teaching courses and working as a freelance natural builder.  He has 11 years of direct experience with a variety of methods, including, timber framing, earthen ovens, cob, strawbale, thatch, cordwood, straw/clay slip, earthbag, natural plasters, living roofs, organic round pole framing and more.  He is co-owner of Spiral Ridge Permaculture and New Agrarian Design.


This course is being held at Spiral Ridge Permaculture Homestead, a developing 9.5 acre site in Tennessee, about 70 southwest of Nashville.  All meals will be provided.  Free camping will be either at our homestead or at our neighboring intentional community, The Farm, at The Eco-village Training Center/Eco-hostel.  Here you will also see many other examples of natural building.  Please see our Course FAQ Page for more information and details about food, housing and cancellation policies.

Tuition: Includes camping and meals
$450 early registration before July 1, 2015
$500 after July 1, 2015

Please read the directions below carefully.  Also review our cancellation policy here.

  • Minimum $150 non-refundable deposit, via check or Paypal, is required to hold your spot and lock in your price.
  • Final payments can be made via personal check or money order sent to the address below or we can send you a Paypal invoice for the balance.
  • Early-bird and regular tuition balances can be paid on arrival but MUST be cash, money order or certified checks.  No personal checks, when you arrive, will be accepted.  

Use the form below and pay via PayPal, or by sending a check or money order to:

Spiral Ridge Permaculture

444 Walker Rd.

Summertown, TN 38483

If you have any questions at all, shoot us an email at


Bookings are closed for this event.