Iowa · answered by Verika · verified against sources
What are the curing requirements for concrete pavement in Iowa?
Cure concrete pavement with white pigmented liquid curing compound (meeting Section 4105) applied as a fine spray within 30 minutes after finishing (free water disappeared) at 0.067 gal/yd² (15 yd²/gal). Cure vertical edges within 30 minutes of form removal. Re-coat damaged areas within 72 hours; no re-coating needed if opened to traffic before 72 hours. Protect concrete <36 hours old in cold weather per Article 2301.03, K, 3.
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