Contrary to popular belief, concrete can be placed, finished and cured at any temperature, even sub-zero temperatures. You just have to take extra precautions. That’s because if you allow the concrete to freeze before it has cured, you face trouble.
First, a quick refresher course on concrete curing. Concrete transforms from a liquid to a solid material through a chemical reaction. The colder the temperature of concrete, the slower the speed of the reaction. In winter, your enemy is the clock. The concrete needs to harden as rapidly as possible to resist the pressures caused by water freezing within the concrete.
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