Prometheus Launches Production of Bio-cement
Prometheus Materials

Prometheus’ bio-cement is intended to serve as a major replacement for carbon-intensive concrete.

Prometheus Materials, a leader in sustainable building materials, has achieved foundational certifications ASTM C129 for non-loadbearing concrete masonry units (CMUs) and ASTM C90 for loadbearing CMUs for its bio-cement. This development comes on the heels of the company’s recent announcements, including the appointment of renowned architect Vishaan Chakrabarti to its Board of Directors, and a partnership with Skidmore, Owings & Merrill (SOM).

Inspired by biological processes found in nature, the company’s process uses microalgae to produce a bio-cement that offers the construction industry a sustainable alternative to carbon-intensive portland cement. When mixed with aggregate, its’ bio-cement forms an ultra-low carbon bio-concrete that offers mechanical, physical, and thermal properties that are comparable or, in some cases, superior to portland cement-based concrete.

The future of sustainable building solutions is here…

“We are thrilled to have achieved these two foundational certifications as we proceed in full force with our goal of decarbonizing construction,” said Loren Burnett, CEO of Prometheus. “Prometheus Materials’ product is poised to change the future of construction, converting one of the most carbon-polluting industries to a low-carbon – and one day net-zero carbon — reality.”

Cement production accounts for 8% of annual CO₂ emissions and consumes 9% of annual industrial water on a global basis. In contrast to traditional portland cement, Prometheus’ microalgae-based bio-cement emits little-to-no CO₂ and recycles 95% of the water used during its production. Following production, the bio-concrete is able to sequester embodied carbon throughout its lifespan.

“The future of sustainable building solutions is here,” said Vishaan Chakrabarti. “With key certifications achieved, I’m hopeful that Prometheus Materials’ product will be deployed at scale in the near future,” he said, “serving as a major replacement of the carbon-intensive concrete we know today.”

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