posted 7 years ago
Anything like cob needs to be well protected from damp with a good water resistant base and considerable roof overhangs. You would need to extend your yurt roof or make the new cob walls beneath it significantly smaller in diameter. I have a feeling you would be better off passing the yurt on to someone who wants it and using the proceeds to acquire new roof materials.
If you are in a desert-like part of New Mexico, you might be able to use the yurt roof with minimal overhang.