Have you ever heard of a breathing wall?
KEISO-DO, or diatom earth, is a common material for traditional Japanese architecture. Diatom earth is fossils of plankton taking the shape of soil. (Yes it is the similar to fossil fuel, only shaped differently)
It has numerous tiny holes which can absorb moisture and other small particles in the air, including harmful substances. The amazing thing is, it doesn't just absorb moisture when it is humid, it can also automaticaly release moisture into air when it is too dry.
In modern buildings, moisture control is a big issue since it consumes much energy. Keiso-do can be one way of reducing your use of air conditioner.
Tomorrow I will write about my visit to a showroom of Onewill Co. ltd., located in Ohfuna. Among the numerous KEISO-DO related materials, so far their product is the best. Amazing experience.
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