-HomeDepotCustomer, thank you for your review. We are so sorry you had a bad experience with our product. SAKRETE strives to provide the best possible products and customer experience. Typically, this product can take anywhere from 30-60 days to cure. We recommend adding sand over the patched area, so that in can contain the material where it has been placed. Should you have any more questions or concerns, please call our Technical Support Team at 1-866-SAKRETE.