Water retention systems | trafficable roofs
![](https://nophadrain.com/wp-content/uploads/2023/12/Foto-waterretentie-verkeersdak.png)
Pavement Laying course Sub-base layer ND FV-300 Filter Geotextile ND WSE-80hd Water Retention Element ND TSF-100 Slip and Protection Sheet ND TGF-20 Separation and Slip Film Waterproofing membrane
Water retention systems | intensive green roofs
![](https://nophadrain.com/wp-content/uploads/2023/12/Foto-waterretentie-intensief.png)
Intensive vegetation (in combination with pavement) ND DGS-I Substrate Intensive ND WSM-50 Water Reservoir Panel ND FV-300 Filter Geotextile ND TSF-100 Slip and Protection Sheet ND WSE-100lt Water Retention Element Root-resistant waterproofing membrane
Water retention systems | extensive green roofs
![](https://nophadrain.com/wp-content/uploads/2023/09/Foto-waterretentie-extensief_optie2-1.jpg)
Extensive vegetation (blankets, plug plants or cuttings) ND DGS-E Substrate Extensive ND SM-50 Substrate Panels ND FV-300 Filter Geotextile ND WSE-100lte Water Retention Element ND SV-300 Protective Geotextile Root-resistant waterproofing membrane