New Biological Concrete Absorbs CO2 and Provides Thermal Heat, Insulation

Image via Dezeen.com

A new type of concrete has been created by Spanish researchers for buildings in Mediterranean-like climates that encourages the natural, rapid growth of pigmented organisms within the concrete. It can be used as a facade that offers advantages such as reducing atmospheric CO2 and natural thermal comfort.

The concrete works great as a support for the growth and development of certain kinds of biological organisms such as microalgae, mosses, lichens, and fungi. The goal is to set it up so that the surface is covered in less than a year, and that the appearance will evolve over time, changing color according to the time of year and the dominating organisms.

The structure is made of 3 layers: a waterproofing layer, a biological layer that accumulates water, and a “discontinuous coating layer” with a reverse waterproof function. The final product absorbs CO2, provides a natural source of insulation, and captures solar heat.

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