How Fast Does Concrete Dry? The Million Dollar Question

“How long does it take for concrete to dry?” It’s one of the most common questions in construction, and the honest answer is that it depends. Jason Spangler, Vice President of Sales for Wagner Meters, walks through what actually drives concrete drying and why the usual rule of thumb can steer you wrong.

He covers:

  • The difference between curing and drying, and why they aren’t the same thing
  • How ambient conditions like temperature and humidity speed up or slow down drying
  • The old rule of thumb of 28 days per inch of slab thickness, and where it falls short

Getting the drying timeline wrong is what leads to failed floors and expensive callbacks.

Also read 5 tips to help you speed up concrete drying time.

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Last updated on August 18th, 2026

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