same cement, minus the emissions. it all starts with a new rock.
INDUSTRY STANDARD CEMENT
Our cement meets ASTM C150 standards, the industry definition for ordinary portland cement
COST-PARITY AT SCALE
Our products will cost-competitive with traditional cement at full industrial scale
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MAXIMUM CLIMATE IMPACT
Our process generates a magnesium residue that permanently removes CO2 from the air, making it deeply decarbonized
CARBON-FREE FEEDSTOCK
Unlike the limestone rocks used in traditional cement manufacturing, our calcium silicate feed rocks have no embodied carbon
cement is a massive climate problem.
we have a solution.
WE'RE TRANSFORMING CEMENT PRODUCTION WITHOUT CHANGING THE FINAL PRODUCT OR PRICE.
we leave limestone, and its emissions, in the ground
Traditional cement manufacturing relies on limestone as its core feedstock. This limestone accounts for 60% of cement's carbon emissions alone. The Brimstone Process instead utilizes highly abundant and carbon-free calcium silicate rocks—eliminating these harmful emissions from the start.
latest news
This initiates the negotiations process to finance Brimstone’s first-of-a-kind decarbonized portland cement plant, which would avoid 120,000 metric tons of CO2/year.
Industrial Demonstrations Program Selects Brimstone for $189M Federal Investment
A third-party lab verified that Brimstone cement meets ASTM C150 standards for portland cement, the type of cement used in virtually all concrete construction today.
The Washington Post spoke with our CEO Cody Finke about Brimstone's ASTM C150 certification, the path to commercialization, and the company's plans for the future.
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CAREERS
We're engineering a first-of-a-kind solution for one of the biggest climate problems, and we’re hiring an all-star team to join us.
PARTNERSHIPS
We're partnering with industry leaders, developers, and corporations to decarbonize cement and make net-zero construction a reality.
CONTACT
Interested in hearing more about our process? Reach out
We're engineering a first-of-a-kind solution for one of the biggest climate problems, and we’re hiring an all-star team to join us.
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We're partnering with industry leaders, developers, and corporations to decarbonize cement and make net-zero construction a reality.
Article
Interested in hearing more about our process? Reach out
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Interested in hearing more about our process? Reach out
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as featured in
we leave limestone, and its carbon, in the ground
Traditional cement manufacturing relies on limestone as its core feedstock. This limestone accounts for 60% of cement's carbon emissions alone. The Brimstone Process instead utilizes highly abundant and carbon-free calcium silicate rocks—eliminating these harmful emissions from the start.