Build with the sun

Sustainable materials made from desert sand

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Our mission

We are committed to turning underused desert resources into high-performance materials for tomorrow’s cities. Our products provide a viable and responsible alternative to conventional aggregates, without compromising on price or performance.

At DALE, we believe that innovation and sustainability can go hand in hand. Our goal is to revolutionize the construction industry by offering desert-based eco-aggregates that reduce environmental impact and promote a circular economy.

Our vision

The project

Clean energy

Harnessing solar mirrors - We use solar mirrors to concentrate sunlight and reach the high temperatures needed for sintering.

100% self sufficient - Our plant is entirely self-sufficient, making it 100% off-grid.

Sustainable energy mix - A combination of thermal and electric solar energy ensures a clean, self-sufficient process.

Local Resources

Desert sand - Our raw material is abundant, underused, and right under our feet.

Local construction - We build locally, reducing transport and heavy logistics.

Empowering local communities - This approach boosts local autonomy and reduces environmental impact.

Eco-Friendly

Lower emissions - Traditional concrete is responsible for 8% of global CO₂ emissions. Our low-carbon aggregates offer a cleaner alternative to heavy, cement-based materials.

Resource-conscious - By using abundant desert sand, we reduce our reliance on river, sea and mountain aggregates.

Rethinking construction - Our process minimizes transport, pollution, and environmental footprint, enabling more sustainable building at scale.

Unique idea

Solar-powered - Using only concentrated sunlight, no combustion or chemicals.

Desert-ready - Designed for remote, arid regions where conventional materials are hard to access.

Scalable & sustainable - A low-tech process adapted to the climate crisis… and one day, to lunar habitats

Our Technology

Our patented process transforms desert sand into eco-aggregates using solar power and advanced material science.

By sintering desert sand and using a set of convoyer, crusher and screener, we produce custom aggregates at a competitive price.

The team

Christophe Arnoult profile pic

Christophe Arnoult

Co-Founder & Co-CEO

Julien Ngo profile pic

Julien Ngo

Co-Founder & Co-CEO

Baptiste Charpantier profile pic

Baptiste Charpantier

Co-Founder & CTO

Our contact

31000 Toulouse, France

+33 (0)6-69-09-05-04