Long Term Carbon Storage in Hemp Concrete Blocks

What the project does.

This innovative sustainable concrete project is transforming the construction industry by replacing traditional high-emission materials with carbon-negative hempcrete blocks and insulation. The structural and insulation blocks offer an eco-friendly  n alternative to conventional materials like cement and rock wool.

Biobased construction materials contribute to reducing greenhouse gas emissions by requiring less energy-intensive manufacturing and actively storing atmospheric CO₂. Vieille Matériaux sources hemp locally from France, minimizing transportation emissions and promoting regional material sourcing.

Over a five-year period, the project is expected to remove 4,391 tonnes of CO₂ and avoid an additional 900 tonnes of CO₂, significantly reducing the carbon footprint of new construction and renovations.

With the European Union’s push for sustainable building practices, this initiative aligns with climate action goals and enhances the environmental performance of the construction sector.

What it supports.

• Reduces reliance on high-emission construction materials like cement and rock wool
• Avoids 900 tCO₂e and removes 4,391 tCO₂e over five years
• Uses locally sourced hemp to reduce transportation emissions
• Requires significantly less energy than conventional building materials
• Supports the transition to sustainable construction by offering affordable, low-carbon alternatives
• Provides a healthier indoor environment with non-toxic, breathable materials
• Reduces dependence on non-renewable resources like sand and clay
• Creates local jobs in the sourcing, production, and installation of hemp-based materials
• Expands opportunities in the growing biobased construction sector
• Encourages workforce training and knowledge-sharing on sustainable building techniques