168
Sept. 3, 2026

EP #168: Are We Mishandling Concrete Admixtures?

JOIN THE ACADEMY! VISIT CONCRETESCHOOL.CO TO START LEARNING TODAY. ON THIS EPISODE OF THE CONCRETE LOGIC PODCAST What happens when an admixture reaches the concrete producer in a different condition than when it left the manufacturer? Seth is joined by Concrete Bob Higgins to discuss how heat, cold, microbial growth, separation, and poor storage or transportation can affect water-based admixtures before they enter the mix. They examine how admixtures may change during shipping or storage, why...
166
Aug. 13, 2026

EP #166: Can Concrete Heal Itself?

JOIN THE ACADEMY! VISIT CONCRETESCHOOL.CO TO START LEARNING TODAY. ON THIS EPISODE OF THE CONCRETE LOGIC PODCAST How can concrete be waterproofed from the inside instead of relying on a membrane attached to the surface? Seth is joined by Nick Karam, PE, Business Development Manager at Xypex, to explain how crystalline waterproofing works, where it is commonly used, and how it compares with traditional membranes and coatings. Nick explains how the chemistry reacts inside concrete, how it can he...
148
Feb. 19, 2026

EP #148: If You Think Today’s Concrete Is Better Than 30 Years Ago, Listen to This

PRESENTED BY: CONCRETE LOGIC ACADEMY Practical education and ongoing development for concrete professionals at every stage of their career. Join here: https://www.concretelogicacademy.com/ EPISODE SUMMARY Thirty years ago, concrete mix designs were simpler, more prescriptive, and easier to predict. Today, they’re optimized, blended, engineered, and heavily influenced by admixtures, SCMs, and cement chemistry. In this episode, Seth talks with Jeff Slagle from Chaney Enterprises about how ready...
Guest: Jeff Slagle
130
Aug. 14, 2025

EP #130: Concrete Failing with Type IL? It Might Be the Admixtures, Not the Cement

Everyone’s pointing fingers at Type IL cement, but what if your admixtures are the real problem? In this episode, Dr. Jon Belkowitz returns to the Concrete Logic Podcast to challenge the one-to-one replacement myth and shine a light on the role of admixture compatibility. If your concrete is failing early—or your team is just managing problems instead of solving them—this episode is a must-listen. What You’ll Learn: Why do so many people still believe Type IL is a one-to-one replacement? W...