In this clip from Episode #126 of the Concrete Logic Podcast, Seth Tandett uncovers a buried detail from one of the most cited reports used to justify the switch to Portland Limestone Cement (PLC). The report shows concrete made with PLC shrinks about 17% more than concrete made with traditional Type I/II cement. That shrinkage leads to cracking, curling, and serious serviceability issues—but hardly anyone's talking about it.
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