The Cure

ICFs insulate fresh concrete, which means the material cures properly even in extreme weather conditions. However, if the temperature at the job site is going to fall below freezing within a couple of days after the pour, blankets should be put along the exposed top of the wall for insulation.

If the weather is very hot and dry, use plastic sheeting over the exposed top in order to prevent excessively rapid drying of the concrete.

Do not proceed with an ICF pour during a heavy rain. If there is standing water in the form cavities, drain the cavities prior to placing the concrete.

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