EARN PDHS AND ACCESS PRACTICAL CONCRETE LUNCH & LEARNS. START YOUR FREE TRIAL.
137
Oct. 28, 2025

EP #137: Silica Fume vs. Colloidal Silica in Concrete - Which One Really Performs?

What happens when the concrete industry’s “wonder dust” meets its high-tech rival? In this episode of the Concrete Logic Podcast, host Seth Tandett brings back Dan McCoy and Dr. Jon Belkowitz to challenge everything we thought we knew about silica fume. From bridge deck overlays that crack like eggshells to the real CO₂ math no one wants to talk about, the guys separate hype from chemistry and ask the only question that matters: What are we really asking this concrete to do? What You’ll Learn ...