Drainage boards (FKD) are available in various designs and are selected according to which drainage target is to be achieved, either by delaying the flow, retaining water or targeted drainage of roof areas.
100 % HDPE recycling regenerate, low own weight, easy construction with high drainage capacity, safe and targeted drainage of excess water, depending on the design with and without water reservoir, for roofs with and without incline, recyclable
Optigrün Protection and Drainage Board FKD 10 is used as drainage beneath frequently used pathways and on vertical building components.
Optigrün Protection and Drainage Board FKD 10GF for drainage under flagging on roof areas. Use also as vertical building drainage on bituminous or other waterproofing.
Optigrün Protection and Drainage Board FKD 12 is used as a drainage element beneath traffic areas with car and truck usage, intensive green roofs, balconies and terraces.
Optigrün Drainage and Storage Board FKD 25 for use on extensive green roofs with a single- or multi-layer construction and under path surfaces (can be walked on) with > 60 mm substructure. Suitable for use on inverted roofs.
Optigrün Drainage and Storage Board FKD 25 plus is installed beneath traffic surfaces and pathways. Also suitable for inverted roofs.
Optigrün Drainage and Storage Board FKD 40 is installed beneath extensive green roofs and single-layered intensive green roofs for drainage and water storage.
Optigrün Drainage and Storage Board FKD 60BO is also used for setups with water storage on inverted roofs.
Optigrün Protection and Drainage Board FKD 60BU is used for setups without water storage on public roofs.
Optigrün Meander Water Retention Board FKM 30 is used for multi-layered extensive green roofs.
Optigrün Meander Water Retention Board FKM 60 is used for multi-layered extensive green roofs.
Water Retention Boxes
For the storage of water on extensively and intensively planted roofs and traffic roofs we offer water retention boxes with different compressive strengths.
Water Retention Box made of recycled PP material. With high temporary and possibly permanent retention volume in combination with a Flow Control System for specific regulation of water discharge and/or water storage.
Infiltration trough made from recycled PP for surface drainage with the requirement for a high water retention potential with 0° roof pitch. Can be combined with patented flow control system for targeted regulation of the water discharge.
Optigrün Water Retention Box WRB 80F for use on roofs that are used as retention areas, under extensive and simple intensive green roofs.
Infiltration trough made of recycled PP intended for surface drainage in combination with a Flow Control System; high water retention potential, used for intensive green roofs with 0° roof pitch and varying layer heights.
Optigrün Water Retention Box WRB 170 for use on roof areas with 0° roof pitch and different layer structures e.g. public areas such as terraces, fire brigade access, car parking places and similar and extensive/intensive green roofs.
Pitched roof board
Pitched roof board for use as shear protection, drainage and water storage under sloped roof plantings of approx. 15-35° roof pitch.
Optigrün Pitched Roof Board FKD 58SD is used for pitched roofs with a pitch in between 15° and 35°. Made from expanded polystyrene.