Quikrete FastSet Gray Crack Filler 8.6 oz. (Pack of 6)Quikrete Crack Filler helps in a fast setting of concrete cracks. This concrete filler is a self formulated solution. It is suitable for repairs from hairline up to 1 inch. This crack filler is made from a low viscosity material that goes deep inside the cracks and forms a superior bond that can be opened to traffic in one hour. Quikrete crack repair caulk turns light grey after drying. The included cap can be used to re lock the tube after partial