How long does parging take to cure? To cure properly the parging needs several days of warm weather. Occasional misting through the process will help reduce the risk of future cracking or flaking. By brighterdigital|2019-05-04T15:39:52-06:00July 7th, 2018| Share This Story, Choose Your Platform! FacebookTwitterLinkedInWhatsAppPinterestEmail Leave A Comment Cancel replyComment Save my name, email, and website in this browser for the next time I comment.