A standardized measurement marking the moment a cement paste or concrete mixture hardens enough to resist a specific penetration force. At this stage, the chemical hydration has advanced enough that the concrete can no longer be molded or finished, and it begins to develop measurable compressive strength.
Heard on the job
The mix design says the final setting time is four hours, so we can get the early-entry saw on it by noon.
Related terms
Initial setting time
The point when fresh concrete stiffens enough that it can no longer be vibrated or finished.
Hydration
The heat-releasing reaction of cement with water that turns the paste into solid binder.
Early-entry saw
A lightweight saw that cuts control joints within hours of finishing, before shrinkage cracks can start.