Navigating Low-Carbon Cement Options, Tradeoffs, and Approval Pathways

Real-World Paths to Low-Carbon Concrete  |  Register for Industry Overview

About us

We're Prometheus Materials. We make a supplemental blend that replaces a portion of cement in a 1:1 ratio

Our Strategic Partners, Clients, and Recent Pours

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rowan logo grey
Mortenson--grey
Turner
Clayco
Skanska
suffolk
brannan
DG
CU Boulder
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Answers to our most frequently asked questions

Where do you grow the algae?

We have strategic partners that are based in key growing climates to ensure efficiencies and effectiveness of the algae

Dosage is based on project goals and mix specifications. For ready-mix producers, this is typically set by targeted cement replacement levels (10–40%). We work with suppliers to determine the appropriate replacement percentage needed to meet targeted GWP and carbon reduction goals within your local market and your project.

We recommend that you or your lab conduct testing using your own materials and placement practices. We provide mix guidance and technical support throughout the process.

ProZERO™ integrates similarly to other OPC replacements (slag, natural pozzolan, fly ash, limestone, etc.). Suppliers can use existing handling and batching practices. We work with suppliers to determine the best delivery method. ProZERO™ has been delivered to partners, job sites, and batch plants via bags, super sacks, and bulker trailers.

We expect this application to be viable, though it has not yet been formally tested. A trial batch is recommended prior to deployment.

It comes in a bulk powder, delivered in a short ton. It can be shipped in a Super Sack on trailer, or dry powder in a bulker.

Shipping is at the cost of the buyer, FOB, Longmont CO.

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