Prometheus Materials’ bio-concrete masonry units clear ASTM C129, C90

Sources: Prometheus Materials, Boulder, Colo.; CP staff Prometheus Materials, developer of a micro-algae binder alternative to portland cement, has proved the efficacy of its material in concrete masonry units, successfully testing specimen blocks to ASTM C129-22, Standard Specification for Nonloadbearing Concrete Masonry Units and C90, Standard Specification for Loadbearing Concrete Masonry Units performance requirements.  “We are thrilled to have achieved…

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