I bought this product on a Sunday and spent the afternoon spreading it. After some rain overnight, but Monday it looked like it was there for a year. What is the 12 month color guarantee?

Michelle, Thank you for your question and we certainly apologize for the late response. Oldcastle strives to provide the best possible products and customer experience. Should this be a relevant question at this time. Please contact Oldcastle Customer Service at 1-866-256-7404.