Home Solution Oxacrete Oulesse®
Switzerland

Oxacrete Oulesse®

Sustainable building materials & equipment

Enabling the production of low-carbon concrete and building materials by replacing cement with a sustainable alternative.

Contact

Logo

Oxara AG

Company Established Year

Since 2019

Who is this solution for

Govt, Business, NGO

Info

Available

To sell

Project Status

In commerce

Looking to expand internationally

Yes

Doing business in

worldwide

Awards and certifications

Venture Kick Stage 2 Winner

2019

Recognized and supported for entrepreneurial excellence and innovation.

SEIF Award

2020

Winner in the SEIF Awards competition for impact‑focused technology firms, recognized for its sustainable and innovative alternative to cement.

Top 100 Swiss Startups

2021

Ranked among Switzerland’s most promising startups.

Product description

Oxacrete Oulesse® is a revolutionary cement-free admixture and binder solution developed by Oxara to address the pressing need for sustainable construction materials. By utilizing mineral waste, such as demolition debris and earth, this innovative technology transforms these materials into high-performance construction products that are compatible with traditional mixing and forming processes.

One of the key features of Oxacrete Oulesse® is its ability to completely replace cement in the production of concrete and building materials. This not only reduces the carbon footprint of construction projects but also promotes circular resource use by repurposing waste materials that would otherwise end up in landfills.

The technology has been rigorously tested and validated on an industrial scale, ensuring that it can be seamlessly integrated into existing production workflows with minimal disruption. Oxara provides comprehensive support to developers, material producers, and builders, offering consulting, training, and implementation guidance to facilitate the adoption of sustainable building materials.

With applications in both residential and commercial construction, Oxacrete Oulesse® leverages local waste streams to create cost-effective and eco-friendly structures. By embodying Oxara's commitment to mainstreaming low-carbon materials, this solution addresses the challenges of affordability, industrial feasibility, and environmental impact in the construction industry.

Key characteristics and environmental benefits

  • Replaces cement entirely, reducing CO2 emissions by up to 90%
  • Transforms mineral waste into high-performance construction products
  • Compatible with conventional mixing and forming processes
  • Industrially validated and scalable technology
  • Supports developers, material producers, and builders with consulting and training
  • Promotes circular resource use and sustainable building practices
  • Applications in residential and commercial construction
  • Cost-effective and eco-friendly solution
  • Minimal disruption to existing production workflows
  • Addresses affordability, industrial feasibility, and environmental impact

About the Company

Oxara is a Swiss start‑up spun off from ETH Zurich, dedicated to transforming mineral construction waste into sustainable, affordable, and low‑carbon building materials. Using patented cement‑free admixture and binder technologies, Oxara enables concrete and brick producers to reuse excavated earth and demolition waste, reducing CO₂ emissions by up to 90% compared to conventional cement. Their products support circular construction while providing resource‑efficient alternatives to traditional materials. With active projects like STOOT (Dubai 2024), claywood (Grüt ZH 2024), Pavilion MANAL (Horw 2024), and Innovationslabor Winterthur (Winterthur 2024), Oxara demonstrates its commitment to scaling sustainable construction globally. Through strategic partnerships with major industry players like KIBAG and Holcim, the company is paving the way for circular, low‑carbon construction practices that advance affordable housing, preserve natural resources, and combat climate change.

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