The drainage pipes are the main element of the closed or, as it is also called, underground drainage system, intended for collecting and draining groundwater or surface water to the sewer well.
Specifications:
Type: Drainage pipes and drain
Pipe material: polyethylene
Stiffness class: SN4.
Supplied in coils of 25-50 m, or 6 m sections. A coupling for connecting pipes is attached to each coil / section.
Filter material: non-woven geotextile with a density of at least 75 g/m2
