How long should a concrete pad cure before removing forms?

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It depends how hot it is outside...In Arizona in the summer you can remove them the same day (4 or 5 hours after finishing the floor)....otherwise I would wait until the next day.
You must also remember that concrete does not cure based off heat and "drying" out. Concrete cures and gains its strength through a process known as hydration. This is a reaction with the water and cement in the concrete. The floor should be covered to prevent moisture loss and aid curing. This would create quicker strength gain. Should be covered for 24hours before forms removed.
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