Fortera is a Silicon Valley-based materials technology company developing low-to-zero CO₂ cement solutions to decarbonize the construction industry, which accounts for about 8% of global emissions.[1][2][6] Its flagship ReCarb® process captures CO₂ from cement kiln exhaust and mineralizes it into ReAct®, a high-performance cementitious material that blends with Portland cement, reducing emissions by up to 70-100% while meeting ASTM standards like C150, C595, and C1157.[5][6][9] Backed by investors like Khosla Ventures and Temasek, Fortera serves cement producers, ready-mix companies, and builders, with its first small commercial plant operational and a 400,000-ton full-scale facility underway in Redding, California, driving rapid market entry and real-world validation.[1][4][5]
Growth momentum is strong: In 2025, Fortera supplied 15 metric tons of ReAct™ for Simpson University's eco-friendly building, earned the World Future Award for cleantech, and continues scaling partnerships for carbon credits and commercial production.[5][6]
Fortera's roots trace to 2007, when its technology was inspired by coral reefs' natural mineralization, leading to the discovery of a new cement form (vaterite).[5] Early milestones included a 2009 pilot plant, 2010's first commercial concrete pours in California, 2012's scalable pilot, and 2014's "Airock" product—building on over 10 years of R&D, 100,000+ hours, and 100+ patents.[1][5][7] Originally known as Calera Corporation, it rebranded and incorporated as Fortera in 2019, establishing a pathway to economically viable zero-carbon cement.[2][4][5]
Key founders are not named in available sources, but the team leveraged prior Calera innovations. Pivotal moments include 2021's small-scale plant partnership and $30M Series B funding, 2022's San Jose HQ and lab, 2023's full-scale plant deal, and 2024's commercial ReAct™ launch with carbon credits.[5][7] By 2025, it's delivering products for major projects, humanizing its shift from lab curiosity to industrial reality.[5]
Fortera stands out in the low-carbon cement space through scalable, drop-in technology that retrofits existing plants without major overhauls:
Fortera rides the industrial decarbonization wave, targeting cement's 8% share of global CO₂ amid net-zero mandates and rising sustainable materials demand.[6] Timing is ideal: Post-2021 funding and EU policies accelerated its Europe launch, while U.S. infrastructure bills favor low-carbon builds; market forces like carbon pricing and green procurement boost adoption.[7] It influences the ecosystem by enabling incumbents (e.g., via co-blending) to hit scopes 1-3 goals without disruption, unlike greenfield rivals—positioning it in construction tech and advanced materials trends toward digitalization, automation, and SCM innovation.[2][6]
Fortera is primed for explosive growth, with its Redding plant scaling to 400k tons/year and more partnerships likely as ReAct™ proves in projects like Simpson University.[5] Trends like stricter emissions regs, carbon markets, and AI-optimized materials will propel it toward zero-CO₂ dominance, potentially capturing share in the $400B+ cement market. Its retrofit model could redefine how heavy industry decarbonizes, evolving from innovator to ecosystem enabler—paving the literal foundation for net-zero construction.[1][6] This positions Fortera as a linchpin in climate tech, turning cement from polluter to solution.
Fortera has raised $115.0M in total across 2 funding rounds.
Fortera's investors include Highbury Group, Khosla Ventures, VZVC, What If Ventures.
Fortera has raised $115.0M across 2 funding rounds. Most recently, it raised $85.0M Series C in August 2024.
| Date | Round | Lead Investors | Other Investors |
|---|---|---|---|
| Aug 1, 2024 | $85.0M Series C | Highbury Group, Khosla Ventures, VZVC, What If Ventures | |
| Jun 1, 2021 | $30.0M Series B | Highbury Group, Khosla Ventures, VZVC, What If Ventures |