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Oldcastle-style capital reallocation

Dublin-based CRH Plc entered the U.S. nearly 40 years ago, a deal for Idaho’s Amcor Precast seeding a broad, deep portfolio under the Oldcastle Inc. banner. Now designated Americas Products and Americas Materials in the CRH group, the Oldcastle Architectural, Materials and Precast businesses have long since grown to command top or top five U.S. market positions in block & paver, packaged dry mix and raw materials, ready mixed concrete, aggregates, and drainage- or utility-centered precast products and structures.

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Graphene rises from nanotech as a positive carbon factor for concrete

Scientists’ work with elements at the atomic level continues to yield promising concrete admixtures whose impact might one day approach that of polycarboxylate superplasticizers. As Concrete Products has observed in reports on Zenyatta Ventures Ltd. and EdenCrete Industries this past year, nanotechnology has led to identification and processing of concrete market-ready graphene, a single atom-thick layer of pure carbon derived from mineral or synthetic graphite.

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