How long should the cold-jointed section be cut
Joints should be cut as soon as possible after the concrete is placed, typically within the first 6 to 18 hours, depending on weather conditions and the concrete mix. If the cuts are made too early, the concrete may not have hardened enough, leading to ragged edges or uneven. In this condition, if you don't want to use a grooving tool to cut joints, there are early-entry dry-cut lightweight saws that can be used almost. But if it's cold weather, you can cut concrete joints twelve hours after pouring the concrete.
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