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Allow Proper Time to Water Cure. After concrete is placed, the concrete increases in strength very quickly for a period of 3-7 days. Concrete which is moist cured for 7 days is about 50% stronger than uncured concrete.Read about properly curing concrete slabs.Water curing can be done after the slab pour by building dams with soil around the house and flooding the slab.The enclosed area is continually flooded with water.oncrete which is moist cured for 7 days is about 50% stronger than uncured concrete. Read about properly curing concrete slabs. Water curing can be done after the slab pour by building dams with soil around the house and flooding the slab. The enclosed area is continually flooded with water.
To allow concrete to cure correctly, keep it wet and warm at temperatures between 50 and 90 degrees Fahrenheit for the first week at least. Concrete that does not cure properly can shrink, crack or even develop a dusty, weak and crumbly surface.The longer you allow concrete to cure, the harder it becomes.While you may only need to keep the concrete protected for the first week while it cures, it actually takes it about 28 days to reach its full strength and hardness. After the concrete is poured and floated, the curing process ensures it hardens properly.he First Week. 1  After adding a concrete patio, driveway or walkways to your. 2  home, protect your investment by not walking on it for at least three days. 3  Keeping the concrete covered with wet burlap or straw for seven days is likely to discourage walking across it, especially if you cordon off the area around it.