Does Cob Wash Away

Why doesn’t it wash away in the rain? Cob is very resistant to weathering. Because of its porous nature, it withstands long periods of rain without weakening. However, too much exposure is best avoided by the “boots and cap” strategy: wide roof eaves to protect the walls and an impervious foundation.

How long do cob houses last?

How long does cob last? The oldest cob house currently standing is 10,00 years old. If this doesn’t speak to how strong and durable cob houses are, then nothing will. Cob houses are built to stand forever as long as their roofs are maintained, and they are properly looked after.

Does cob melt in rain?

Water is essential for life, but when it comes to building with earthen materials and cob homes, water is sort of its main enemy in a way. So a lot of people have a fear of building a cob house and the house melting away because of rain and weathering. … But rain is not going to melt your building away.