Holcim x Vateris

Industrial validation of Vateris’ calcium carbonate product in Holcim UK mixes

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Prove the performance of Vateris’ reactive calcium carbonate (GypCarb) product in Holcim UK’s CEM I concrete mixes—validating strength gains and practical adoption for a global producer.

Impact & Metrics

+40%compressive strength at 28 days compared to baseline CEM I

10%Achieved with only 10% Vateris product addition

Strongest resultsAmong the strongest results Holcim has recorded in comparable trials

Some of the best results we’ve ever seen

Danielle DawsonTechnical Innovation Manager, Holcim UK

Results

Unlocking technical potential

This trial decisively showed that meaningful performance gains can be achieved with minimal disruption to existing mixes and workflows. By delivering a verified 40% increase in compressive strength at 28 days with just a 10% addition, Vateris’ product enabled strength‑driven strategies to reduce cement content - cutting embodied carbon while protecting cost and schedule.

The Holcim UK results build on Vateris’ prior in‑house program using Holcim’s CEM I and a representative concrete mix, which delivered similarly positive outcomes. This consistency across trials demonstrates robust, real‑world performance and reinforces confidence for rapid, broader deployment.

The success of the trial enabled deeper collaboration across Holcim’s innovation ecosystem. The focus now is translating repeatable lab and plant performance into wider market adoption - bringing performance and cost-led decarbonisation to more projects and regions.