How to stabilize the gravel and prevent the continued growth of weeds? Granulates Zandobbio developed Gravelfix, a drainage system and stabilizers that can be used in gardens and roof terraces, driveways, parking areas, but also parks and public gardens.Gravelfix was used for example in a historic garden of Venice with important problems of maintenance and control of infested herbs inside the communication trenches. The system is equipped with a DuPont Typar fabric.