Thermoplastic Surface Defect Repair Kit UltraCrete 13KgEven the best laid road surfaces will occasionally need surface defects repairing to prevent a small crack from turning into a pothole. Unlike many pothole repair products that activate when they come into contact with the air or with water, this product is thermoplastic based. This means it has a long twelve month shelf life, it also means that the whole pack does not need to be used in one install. An open bag can be used for a number of smaller