Aerobrick
Insulating bricks constitute an interesting alternative to the common approach of a layered construction as they incorporate both the structural and the thermal functions of the building envelope. Com-mercially available insulating bricks usually have thermal conductivities of 70-90 mW/(m·K) or more. Filling such a commercial brick with a filling based on aerogel granules, we reduced its equivalent thermal conductivity from 91 down to 59 mW/(m·K), corresponding to a U-value of these “aerobricks” of only 0.157 W/(m2·K) at a thickness of 365 mm. Hence, using aerogel, the thickness of insulating bricks can be reduced, thus gaining space and opening up new architectural possibilities.
Reference:
Wernery, J., Ben-Ishai, A., Binder, B., Brunner, S., 2017. Aerobrick — An aerogel-filled insulating brick. Energy Procedia, Sustainability in Energy and Buildings 2017: Proceedings of the Ninth KES International Conference, Chania, Greece, 5-7 July 2017 134, 490–498. https://doi.org/10.1016/j.egypro.2017.09.607
![https://subitex.empa.ch/documents/56010/4695173/Aerobrick.jpg/0aa12606-a767-4171-86d3-c6e890a59562?t=1531396663000](https://subitex.empa.ch/documents/56010/4695173/Aerobrick.jpg/0aa12606-a767-4171-86d3-c6e890a59562?t=1531396663000)
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