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Once concrete reaches a solid state, it is stable and hardened. But in its liquid state, the substance is acutely sensitive. In this edition of Concrete for Beginners, we take a quick look at the hows and whys of curing concrete.


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Concrete Curing Guide

Freshly mixed concrete tends to be vulnerable to the elements. You want to be sure that you’re giving your project the care it needs, especially at this early stage. A great way to increase the strength and permeability of concrete is by curing it. Curing keeps the concrete moist and warm enough so that the hydration of cement can continue. If this isn’t taken into consideration from the onset, the quality of the concrete becomes severely compromised.

Why Cure Concrete

Curing your concrete ensures that: • It doesn’t dry out. Being a sensitive material, exposure to the elements can adversely affect the quality of concrete when it’s hardened. Curing helps to prevent cracking from drying out. • Internal temperature remains in control. Concrete sets in as cement hydrates. Hydration releases heat, and when this happens too fast it dries out the concrete faster but severely compromises its strength. Curing ensures the concrete doesn’t dry out too rapidly.

How to Cure Concrete

The most common methods of curing concrete are: • Using a water spray • Applying a curing compound • Using plastic sheeting • Working with hydration products

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