Episode #14: Johan Klaps

June 10, 2022

Johan is director of Madaster Belgium. This Dutch company developed a digital materials passport for buildings. This passport is a crucial link to make circular building possible. It is a digital platform where users can make a list of all the materials contained in a building. This information is enriched, among other things, with product data and raw material prices, and related to regulations and certification methods.

For more information, please visit

Everyone says you should keep the open spaces open, and I agree 100%. But if more people come to live in the city and you want to keep those open spaces, then you have to build higher. Everyone agrees with that, until you want to build a tower next to them. And I understand people, but we really need to start making logical decisions.

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