How Long Should I Let the Concrete on Fence Posts Dry Before Attaching Panels?

Standard concrete mixes are available. While cheaper, the drying times are significantly longer; a week versus overnight, for example.

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It's critical that a fence post's cement be cured fully before adding the support and rails.

Traditional Cement

Quick Cure Concrete

Quick curing concrete mixes come pre-packaged and you only add water. "Quikrete," for example, comes in a 50-pound bag and takes only 24 hours to cure.

Bottom Line

The general consensus is that you use the concrete that best suits your project. In the case of building a fence, you'll likely want to continue adding the support and rails as soon as the posts are set. In that case, the quick curing concrete will allow you to complete your project sooner.