Jack Edmondson wrote:Organic material will decompose, eventually. When it does, it will leave voids in your walls. Voids are bad. Will it cause a wall failure? No one can tell. Too many variables, but they will be there; and over time may need to be repaired. Know the risk and use best judgement. My OPINION is some would be fine, but minimize where you can.
thomas rubino wrote:Hi Chris;
What were you hoping to build with this cob?
As a structural build I would be very cautious.
However if you are thinking of building an RMH or a pizza oven then your roots would be no different than added straw.
Ben Clurk wrote:Rebecca Norman: Have you tried long fibers of wood rather than just wood chips? I am imagining something like 1/8" or smaller, a minimum of 12" long.