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ON THIS EPISODE OF THE CONCRETE LOGIC PODCAST
Spring is when concrete starts telling the truth.
After months of cold weather, snow, ice, rain, deicers, and freeze-thaw abuse, your existing concrete may start showing what it went through all winter.
In this episode, Dr. Jon Belkowitz joins the show to talk about what to look for when the weather warms up. Scaling. Flaking. Blotchy spots. Exposed aggregate. White staining. ASR gel. Rust bleeding from cracks. All of it is concrete trying to tell you something.
Some of it may be surface damage.
Some of it may be a sign of a much bigger problem inside the concrete.
And if you wait until the damage is obvious, you may already be late.

WHAT YOU’LL LEARN
• Why spring and early summer act like a “lie detector” for existing concrete
• Why damaged concrete often looks darker or blotchy after rain
• What scaling, flaking, and surface loss can tell you about winter damage
• Why broom finish disappearance may be a warning sign
• How ASR cracks hold water and reveal themselves after rain
• What white staining and gel coming out of cracks may mean
• Why some concrete problems cannot simply be cleaned off or sealed over
• How wetting, drying, deicing salts, and outside contaminants can keep feeding deterioration
• Why extending the life of existing concrete may be one of the most practical “green” moves in construction

CHAPTERS
00:00 Introduction
02:52 What warm weather reveals about existing concrete
03:39 Concrete as a springtime lie detector
04:26 Why newer concrete may look white, blotchy, or damaged
05:22 Scaling, flaking, and lost broom finish
06:01 Why rain makes concrete damage easier to see
07:10 Why damaged concrete holds water
08:25 Rust, staining, and visible cracks
09:02 Spillways, white streaks, and concrete exudation
10:36 Alkali-carbonate reaction and internal concrete problems
11:27 What “oozing” gel from cracks means
12:43 Why cleaning the surface does not fix internal damage
13:00 Slowing deterioration versus fixing it
14:21 The practical side of reducing concrete’s carbon footprint
15:11 How ASR cracks grow and spread
16:15 ASR research and gel morphology
17:17 Protecting concrete from outside contaminants
18:21 Concrete Logic Academy and PDH reminder
19:39 Closing thoughts

GUEST INFO
Dr. Jon Belkowitz
Intelligent Concrete
https://www.concretelogicpodcast.com/guests/dr-jon-belkowitz/

CONCRETE LOGIC ACADEMY
Most concrete problems do not show up out of nowhere.
They start with bad assumptions, missed warning signs, and people not knowing what they are looking at until the problem is already expensive.

Concrete Logic Academy was built for the people who want to catch those problems earlier.
Practical concrete training. PDH courses. Real-world education from people who actually understand the work.

If you want to get better at reading concrete, asking better questions, and spotting issues before they turn into claims, start here:
https://www.concretelogicpodcast.com/concreteschool

SUPPORT THE PODCAST
If the Concrete Logic Podcast has helped you think differently about concrete, consider supporting the show.

You can make a one-time donation, become a monthly supporter, or share the podcast with someone in the industry who needs to hear it.
https://www.concretelogicpodcast.com/support/

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https://www.concretelogicpodcast.com/kuiu

CREDITS
Producers: Jodi Tandett & Concrete Logic Media
Music by Mike Dunton: https://www.mdunton.com/

WHERE TO FIND SETH
Concrete Logic Podcast: https://www.concretelogicpodcast.com/
YouTube: https://www.youtube.com/@concretelogicpodcast
Concrete Logic Academy: https://www.concretelogicacademy.com/
Until next time, let’s keep it concrete.