While designing Thannal cob homes for Thannal workers we kept this Growing tree as our center point in our design composition, so the whole structure started growing around this tree and our drain.
Usually when people say “Mann Veedu” (Mud house) they are unknowingly referring to a cob house. We can locate it in every part India and around the world.
Cob is a homogenous blend of sand, silt, clay mixed with fibers. In Indian way of cob construction, Herbal mixes like Kadukkai-jiggery and neem-turmeric are added to the mix in order to protect them from termites and enhance its strength thus prolonging its life span. These structures can are highly resistant to earthquake and have exceptional thermal mass trait. Here you can find articles about this natural building wall system cob used by Thannal and other natural builders.