The casting process for concrete with Sublime cement was similar to a normal mud mat placement, says Turner. Photo courtesy of Sublime Systems Turner Construction Co. and local ready-mix producer Boston Sand & Gravel report they are the first to place concrete with Sublime Systems' zero-carbon cement in a mud mat for a building. Turner would not disclose the specific site due to the client's desired confidentiality, but said it is in the greater Boston area and within ready-mix truck distance fr...