Architecture and DesignGlobalInfrastructure and TransportationNewsSustainability World’s tallest hempcrete building tops out in Cape Town by Sion Geschwindt July 11, 2022 by Sion Geschwindt July 11, 2022 A 12-storey building in Cape Town, South Africa, has been declared as the world’s tallest structure built using hempcrete blocks. 0 FacebookTwitterLinkedinEmail