EARN PDHS AND ACCESS PRACTICAL CONCRETE LUNCH & LEARNS. START YOUR FREE TRIAL.
162
July 2, 2026

EP #162: Why This Concrete Expert Wants Air Out of Exterior Slabs

JOIN THE ACADEMY! VISIT CONCRETESCHOOL.CO TO START LEARNING TODAY. ON THIS EPISODE OF THE CONCRETE LOGIC PODCAST Does exterior concrete always need entrained air to survive freezing and thawing? Seth is joined by Jason Adams, founder and CEO of MegaSlab, to challenge that long-standing practice. Jason argues that a properly designed, highly dense concrete system may limit water intrusion enough to reduce the need for entrained air. Seth presses on the risks, including mix design, workability,...
Guest: Jason Adams
153
April 14, 2026

EP #153: Your Concrete Mix Design Still Isn’t Ready… Until You Do This

PRESENTED BY: GPRS Construction professionals know that utilities and concrete reinforcements can cause big problems when you’re on the job. GPRS helps you avoid them. We use ground penetrating radar to detect rebar, conduit, and post tension cables before you cut, core, or drill. And our concrete scans are 99.8% accurate - we guarantee it - helping you reduce hits, downtime, expenses, and keep your people safe. To keep your jobsite safer, visit: https://www.concretelogicpodcast.com/GPRS SUMM...
152
April 2, 2026

EP #152: Concrete Mix Design Isn’t Complicated… Here’s the Proof

PRESENTED BY: GPRS Construction professionals know that utilities and concrete reinforcements can cause big problems when you’re on the job. GPRS helps you avoid them. We use ground penetrating radar to detect rebar, conduit, and post tension cables before you cut, core, or drill. And our concrete scans are 99.8% accurate… we guarantee it—helping you reduce hits, downtime, expenses, and keep your people safe. To keep your jobsite safer, visit https://www.concretelogicpodcast.com/GPRS SUMMARY ...
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
127
July 15, 2025

EP #127: Why Type 1L Cement Is Causing Concrete Headaches

When concrete fails, who’s really at fault—the material or the people using it? In this episode of the Concrete Logic Podcast, host Seth Tandett is joined by Dr. Jon and Rich to tackle the growing frustrations with Type 1L cement. They ask the hard questions: Is cement the problem? Are the specs off? Or is the industry just cutting corners? The conversation hits on the real-world consequences of poorly defined problems, regional quirks, and the disconnect between American and European concrete ...
Guest: Rich Szecsy
93
July 25, 2024

EP #093: Colloidal Silica: The Nano-Particles Concrete Dreams About

In this episode, Dr. Jon Belkowitz and Seth discuss colloidal silica and its various applications in the concrete industry. Dr. Jon highlights the differences between colloidal silica and silicates, emphasizing the benefits of using colloidal silica as a densifier and for surface treatments. He also mentions the ongoing efforts to create an ASTM standard for colloidal silica. The conversation touches on the importance of performance testing and the potential long-term impact of using colloidal ...
91
July 9, 2024

EP #091: Rethinking Time Limits on Concrete

In this episode, Seth interviews Rich Szecsy, an executive in the concrete supply industry. They discuss the recent change in the batch time for concrete from 90 minutes to 120 minutes. Rich explains the history behind the 90-minute time limit and the lack of scientific justification for it. He emphasizes the importance of considering the practicality and sustainability of construction methods. They also touch on the topic of temperature specifications for concrete and the need for a more nua...
Guest: Rich Szecsy
74
Jan. 25, 2024

EP #074: Type IL Cement - A Concrete Conundrum

Summary In this episode of the Concrete Logic Podcast, Kyle Kammer from Concrete Strategies and Seth discuss the challenges and troubleshooting methods related to Type 1L cement. The conversation covers the reasons why Type 1L cement is a popular topic in the concrete industry and the challenges of using it across different locations. Kyle shares insights into the issues of differential set and cracking, as well as the importance of communication and material variability. The discussion al...
Guest: Kyle Kammer
73
Jan. 18, 2024

EP #073: Hardened by Law - The Future of Concrete Accountability

Summary In this episode of the Concrete Logic Podcast, Dr. Jon Belkowitz discusses the lack of accountability among civil engineers in the concrete industry. He highlights the disconnect between the design and implementation of concrete structures, with civil engineers often not present on job sites and lacking knowledge of concrete mix design. Dr. Belkowitz emphasizes the need for engineers to take responsibility for their designs and be held accountable for failures. He suggests that insurance...