Oxara launches cement-free aggregates on the market


Dietikon ZH – Oxara is entering the market with three of its cement-free aggregates. Two can be used to produce concrete for non-structural components, floors and cast elements from excavated or clayey soil and water, and the third to produce unfired bricks and blocks for conventional masonry.

Oxara, a start-up from the canton of Zurich, is commercializing its aggregate technology for the production of Cleancrete, a cement-free concrete. “We proudly announce that three of our products are ready for market,” the startup, founded in 2019, reports on LinkedIn. The products reportedly enable the reuse of excavated material and construction waste, ensuring a high level of recyclability. In addition, the infrastructure of conventional building materials can be used.

In doing so, the spinoff’s co-founder from the Swiss Federal Institute of Technology Zurich(ETH), Dr. Gnanli Landrou, aims to provide “access to dignified, healthy and affordable housing in Africa and other regions,” according to an ETH report. A native of West Africa and then an ETH Pioneer Fellow, he was named one of the 30 most influential entrepreneurs under 30 by Forbes in 2019.

In Pilot projects Oxara has proven that its aggregates and binders are suitable for the production of cementless concrete for walls, floors and cast elements, as well as cementless bricks and blocks for conventional masonry: in the construction of a Cleancrete pavilions in Geneva, a Cleancrete outdoor wall in a Portuguese guesthouse, at SBB mobility elements at the main stations in Zurich and Basel and in the casting of a floor in the Church on the Egg in Wollishofen ZH.

At the Dietikon site, Oxara has a production capacity of 300 tons of aggregates per year. Thanks to its Swiss outsourcing partner, which was not specified in the announcement, Oxara could produce up to 50,000 tons per year. mm