Geberit HDPE Drainage is the total solution for a wide range of drainage applications including above ground, below building and chemical waste. The system is manufactured from High Density Polyethylene, a material with inherent properties that provide significant advantages over more traditional piping systems. This has made HDPE the material of choice across Europe. Geberit Pluvia is a roof drainage system based on an intelligent negative pressure suction system. The high-performance Geberit Pluvia roof outlets are linked together directly under the roof with a non-sloping collector pipe. Large roof areas can be drained through a single discharge stack. This simplifies planning and reduces construction time. Geberit Pluvia simplifies building planning and permits optimum space utilization. A diminished need for discharge stacks reduces outlay for underground drain connections and surface lines as well as the costs for the property developer. A Geberit Pluvia installation is less expensive than a conventional roof drainage system.