Home Solution ecoLocked Materials® – Biochar-Based Concrete Admixtures

ecoLocked Materials® – Biochar-Based Concrete Admixtures

Sustainable building materials & equipment

Addressing carbon emissions in the construction industry by creating biochar-based concrete admixtures that store atmospheric carbon.

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ecoLocked

Company Established Year

Since 2021

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

Carbon2Value Accelerator Award

2022

Selected as a top startup for carbon utilization in construction.

European Biochar Certificate

2023

Certified for sustainable biochar production and carbon permanence.

Falling Walls Science Breakthrough of the Year

2024

Recognized for breakthrough innovation in climate-positive building materials.

Product description

ecoLocked Materials® – Biochar-Based Concrete Admixtures are innovative solutions that tackle the carbon emissions associated with the construction industry. By utilizing biochar as a key component in concrete admixtures, these products not only enhance concrete performance but also contribute to the permanent storage of atmospheric carbon in the built environment.

Sourced from locally produced biochar derived from the pyrolysis of biomass residues, the ecoLocked admixtures are designed to replace portions of cement and aggregates in standard concrete mix designs. This sustainable approach not only reduces the carbon footprint of concrete production but also offers additional benefits such as improved thermal insulation, weight reduction, enhanced durability, and faster curing times.

The production process of ecoLocked Materials is certified by the European Biochar Certificate, ensuring high quality and environmental standards. These admixtures seamlessly integrate into existing concrete plant workflows without the need for additional hardware, making adoption easy for concrete producers.

Moreover, ecoLocked supports its clients through mix design consultation, carbon accounting, and the provision of Environmental Product Declarations. By turning construction projects into active carbon sinks, this solution assists concrete producers, developers, and infrastructure planners in meeting decarbonization goals while maintaining structural quality and operational efficiency.

Key characteristics and environmental benefits

  • Utilizes biochar as a key component in concrete admixtures
  • Permanently stores atmospheric carbon in the built environment
  • Replaces portions of cement and aggregates in standard mix designs
  • Improves thermal insulation, weight reduction, durability, and speed of cure
  • Compatible with ready-mix and precast applications
  • Certified by the European Biochar Certificate
  • Integrated into existing concrete plant workflows without additional hardware
  • Supports clients through mix design consultation, carbon accounting, and Environmental Product Declarations
  • Helps meet decarbonization goals in the construction industry
  • Maintains structural quality and operational efficiency

About the Company

ecoLocked is a German climate-tech startup founded in 2021, focused on transforming the construction industry by turning buildings into permanent carbon sinks. They develop biochar-based concrete admixtures—called ecoLocked Materials®—that sequester captured carbon and reduce the need for traditional cement and raw materials. These admixtures enhance concrete properties like insulation, strength, and curing time while delivering full-carbon-negative performance. The company operates a biochar processing facility certified by the European Biochar Certificate and has scaled to commercial pilots across Europe. Backed by venture capital funding and climate accelerators, ecoLocked combines scalable carbon capture with economic use, aiming to remove millions of tons of CO₂ by 2030 and up to 1 gigaton by 2040. The solution integrates existing concrete production processes without hardware retrofits, providing a turnkey approach to climate-friendly construction.

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