Building Cities from Cities: Recycled Cement Paste at Holcim

In this episode of Concretely, the podcast for concrete specialists, Johannes Lohner talks to Alfonso Paradinas Aguilera, Global Chief Marketing & Innovation Officer at Holcim. The topic is recycled cement paste: how demolition and excavation waste becomes a clinker substitute as fly ash and slag become scarce, and what that means for standards and specifications.