Water Conduction Channel WKA
As linear drainage to support the guidance of excess water from drainage and substrate layers, particularly in drainage valleys for intensive green roofs with a higher weight.
Product properties
Material | Aluminium |
Length | 2,000 mm |
Width | 140 mm |
Height | 66 mm |

Area of use
- On roof areas up to approx. 5° roof pitch
- To support the guidance of excess water into drainage and substrate layers with large collection areas due to side inlet slots
- As a collecting pipeline for several Water Conduction Channel WKK
Specific properties
- Slotted on both sides to take in excess water from the drainage level
- Cut-outs to connect the Optigrün Water Conduction Channel WKK every 670 mm
- Passage opening width = approx. 4,900 mm²/m Precise measuring of quantity, modular dimensions and max. Flow lengths requires a calculation of the excess water present based on the local rainfall, the planned layer structure and the size of the catchment area, taking into account the discharge coefficient to be applied