Montana code officials move first to view 3D-printed, block walls equally

Sources: Apis Cor, Melbourne, Fla.; CP staff Montana building code regulators are the first among U.S. state peers to approve 3D-printed concrete or cementitious mortar layers as an equal replacement for concrete masonry units in load-bearing walls. Montana native and Billings general contractor Tim Stark secured a nod to use Apis Cor printing technology for housing developments, confident the equipment…

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