Contec.retention Optigreen WRB

Contec.drain Optigreen WRB 85v Contec.drain Optigreen WRB 85v is used for surface drainage on roof surfaces with inverted roof design insulation. It has a high water retention potential at a roof inclination of 0° and heavy layer structures of over 500 kg/m2. The Contec.drain Optigreen WRB 85v can be combined with the patented discharge flow control system in order to regulate the flow of water in a targeted manner. Contec.drain Optigreen WRB 150 Contec.drain Optigreen WRB 150 is a corrugated element made from reclaimed PP. This is used for surface drainage in combination with a water flow that can be controlled and a high water retention potential. It can be used on green roof areas with a rook inclination of 0° and varying layer compositions. Contec.drain Optigreen WRB 85i Contec.drain Optigreen WRB 85i is used for surface drainage with high water retention on 0° roof inclinations. It consists of a corrugated element made from reclaimed PP and can be combined with the patented discharge flow control system for the targeted regulation of the flow of water.