Our RE 120 system for a consicerable retention volume under extensive green roofs
Growing medium: Extensive substrate Hydrotop-E, application height 6 cm
Filter layer: Quality fleece PP 150 g/m², GRK 3
Drainage and water storage board: WE 25/15
Separation layer: Quality fleece PP 150 g/m², GRK 3
Retention-element: RE 120
Protection layer: Geotextile Standard PES/PP 500 g/m²
Our system RE 120 - The Relieving Solution - is in combination with a dam-up element suitable to retain a perceptible quantity of water under extensive green roofs. Thus, the public sewerage system can considerably be relieved.