BASF’s highly reactive metakaolin, MetaMax®, helps give rise to i-395’s new signature bridge in the heart of Miami, Florida.

Posted on July 28, 2021


In the fall of 2019, the former BASF Admixtures team (now MasterBuilders) requested urgent support from BASF Kaolin for an $800M high-profile construction project in Miami. Engineers had just determined that the concrete mix design would not meet the stringent specifications imposed by the Florida Department of Transportation (FDOT) for this massive project.


To optimize the concrete mix design, BASF's MetaMax was introduced to replace silica fume. MetaMax is a unique pozzolanic admixture that significantly improves concrete's strength, durability, workability, and overall performance. It mitigates the risk of damaging processes like alkali-silica reaction (ASR) and efflorescence, which can deteriorate and crack concrete.


BASF Kaolin has already supplied over 2,200 tons of MetaMax to the various project sites since the first truckload was delivered in late 2019, and total demand is expected to surpass 4,000 tons by project completion in 2024.


The pinnacle of this project, known as 'The Big Pour', occurred on Friday, July 23rd, as 500 trucks of concrete mobilized to the area to pour out the foundation for the signature bridge arches. The arches will be the architectural highlight of the i-395 project; an iconic six-arched, spider-like structure spanning 1,000+ feet across the highway and ascending 300+ feet into the sky. Through efficient planning and coordination, the BASF Kaolin team helped keep The Big Pour on schedule by supplying 300 tons of MetaMax to be consumed in a single day.


"The efforts of the Middle Georgia team, led by Jeff Demmon, have been instrumental in this project," said AJ Marisca, Regional Account Manager. "With the i-395 infrastructure project, BASF Kaolin has proven that MetaMax is a viable component for large-scale, ready-mix construction projects."


The future looks bright for MetaMax as BASF Kaolin has recently partnered with Master Builders Solutions to promote the product under their distinguished MasterLife tradename as well.


To learn more, visit the project site here or contact us at


Categories: Press Releases

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