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get into why common moisture testing methods are misused, why surface damage matters more than deep readings, and how outdated s...

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...