How to Pour a Concrete Driveway Where it Freezes

Concrete is a mixture of cement and water. It is used in residential and commercial construction for footings, slabs, walls, walkways and driveways. Drying time is a function of the amount of water in the concrete, the amount and type of cement and the presence of other chemicals. Air temperature also affects drying time: cold air slows drying. You can pour a concrete driveway when the temperature is below freezing but you must take steps to ensure that the concrete does not freeze before drying.

Instructions

- 1
  Check the local weather forecast for the day you plan to pour the driveway. Do not pour concrete if the temperature is below 20 degrees Fahrenheit.
- 2
  Order concrete that has either an increased cement content (100 lbs./sq. yd.), contains Type III Portland Cement or contains Type I Portland Cement treated with an accelerant, such as calcium chloride. The concrete should also have a drier slump (water mix).
- 3
  Make sure the ground is not frozen on the day you plan to pour. Pour and finish (smooth) the concrete.
- 4
  Lay plastic sheets and insulated blankets on the concrete for approximately seven days.

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Driveways