Follow the Line. Follow the Money. If you’ve been following the Type IL situation the last few years, you’ve heard every excuse under the sun about why Portland limestone cement suddenly became the “future” of American concr…

A rare glimpse of the Creative Minds of Cement in their natural habitat - a castle. (OpenAI)   It was a crisp autumn morning in late 2021 when the tolling of bells echoed through the vaulted halls of Castle Valkenhorst, perched high on a Euro…

Back in 2011, the cement industry told us portland-limestone cement (PLC) was no risk. The updated State of the Art Report 2024 walks that back. Now it admits PLC can have higher carbonation, chloride ingress, and admixture sensitivity—but don…