Most people think moisture problems in concrete come from below the slab. Concrete Bob Higgins explains why that assumption keeps blowing up floors. In this episode, Bob Higgins breaks down how moisture actually moves through concrete, why liquid water and water vapor are not the same thing, and how alkalinity quietly does more damage than most people realize. We also get into why common moisture testing methods are misused, why surface damage matters more than deep readings, and how outdated s...

Most contractors think warm weather helps speed up a pour—but what if that early strength is fooling you? In this episode of the Concrete Logic Podcast, host Seth Tandett is joined again by concrete chemist Bob Higgins to break down the real effects of high temperatures on concrete strength, durability, and long-term performance. They cover new science on curing, the shocking impact of temperature on cement hydration, and why most current standards are dangerously outdated. If you’re pouring s...

In this episode of the Concrete Logic Podcast, Seth and Bob Higgins discuss the complexities of moisture testing in concrete. They explore the misconceptions surrounding moisture dynamics, the importance of time of installation testing, and the regional variations in moisture standards. Bob emphasizes the need for better moisture data interpretation and environmental factors impact on concrete performance. Takeaways • Moisture testing in concrete is often misinterpreted. • Older concrete can ha...

In this episode, Seth interviews Jim Kaylor from Durability Consultants about ASTM F6 and ASTM F710. They discuss the role of ASTM in the construction industry and the slow process of developing standards. They also delve into the issue of moisture in resilient flooring and the limitations of ASTM F710. Jim shares his insights on proposed changes to the standard and emphasizes the importance of collaboration and coordination between different stakeholders. They conclude by highlighting the si...