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Wind, humidity, and sunlight are all factors in how long it takes for concrete to cure, walking, normally about 1 to 2 days. 5. How long does it take for concrete to cure enough to drive on? Again, wind, humidity, and sunlight are all factors but the standard is about 5 to 7 days.ind, humidity, and sunlight are all factors in how long it takes for concrete to cure, walking, normally about 1 to 2 days. 5. How long does it take for concrete to cure enough to drive on? Again, wind, humidity, and sunlight are all factors but the standard is about 5 to 7 days.
Concrete will continue to set and settle for anywhere up to 20 years. In warm weather, a concrete slab can be walked upon the afternoon of a morning pour. A builder will typically allow 2-3 days before applying any loads, but will keep back propping in for a few weeks to prevent collapse. It is designed to reach it's designated strength 28 after pouring. i.e. 32MPa concrete should reach 32MPa 28 days after pouring.