The rubber granulate can be incorporated into the asphalt mixture by two different methods, the wet method and the dry one. With the liquid method the rubber granulate acts as an asphalt modifier, while with the dry method the rubber granulates used to replace inert material. In both cases the rubber granulate is referred to as CRM because its use modifies the properties of the final hot asphalt. Rubber as an asphalt modifier is an inexpensive way to improve asphalt properties. Specifically, fewer indentations have been recorded on modified asphalt during the summer months as a result of high temperatures, as well as fewer fractures in the winter months because of low temperatures.
A significant improvement of modified asphalt properties is also attested in the case of traffic load, with a 164% fewer asphalt fissures after the passage of 2.000 vehicles.