Patentierte Hanfkalk- und Lehm-Wandsysteme
Wall systems for architecture with significantly reduced CO2 emissions
At Cancret, we develop, manufacture, and license industry-transforming technologies, products, and patents using natural, renewable building materials.
Thanks to their unique properties, these solutions enhance sustainability, cost-efficiency, and user comfort in both new construction and renovation projects.
Better, healthier, cost-neutral.
The superstar of carbon-negative building materials: hemp-lime
-100 kg CO2/m³ compared to +220 kg/m³ for concrete
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Worldwide unique patents for prefabrication of Hempcrete walls and an impressive development pipeline.
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Hemp grows in 110 days, requires little water, is pesticide-free and provides material for two 3-room apartments per hectare.
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The excellent insulating properties of hemp lime lead to energy savings and improved user comfort thanks to diffusion-open walls.
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Europe's largest hemp building(OPENLY Valley Widnau) - built with our technology.
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Cancret AG has reduced production costs from 800 to 200 EUR/m² through the patented production process for hemp lime walls - scalable and profitable.
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International licensing of the developed hempcrete patents and trading of best-in-class products
Our vision: Cancret Materials will become the market leader in the distribution of sustainable building materials and establish carbon-negative buildings as the global standard.
Be part of this vision with your project.
The central basis for Cancret Materials' innovations is the targeted use of industrial hemp.
Hanfkalk als CO₂-Senke
Hanfkalk, eine Mischung aus Hanfschäben und einem kalkbasierten Bindemittel, sticht als Spitzenkandidat hervor. Jährlich angebauter Industriehanf bindet etwa 21,1 t CO₂e pro Hektar (bei 12 t Trockenmasse mit 48 % Kohlenstoffgehalt). Verarbeitet zu Hanfkalk, speichert es diesen Kohlenstoff über Jahrzehnte in Gebäuden und schafft eine temporäre C-Senke mit mindestens 60 Jahren Lebensdauer. Zum Beispiel enthält 1 m3 Hempcrete etwa 100 kg CO₂e gebundenen Kohlenstoff (netto). So wird Hanfkalk zu einem klimapositiven Baustoff. Der Standard führt auch C-Sink Options ein, die zukünftige Klimavorteile nach jährlicher Verifikation handelbar machen.
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