CarbiCrete, a Canadian developer of low-cost building solutions using CO2, has proven its cement-free products meet ASTM C90 performance requirements for concrete masonry units (CMUs), the standard for CMUs in North America published by ASTM International.
CrabiCrete’s process was verified by third-party tester CTL Group, a Texas-based civil engineering firm. The standard includes criteria such as minimum requirements for compressive strength, permissible variations in dimensions, and appearance.
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