Drainage Boards

ZMN Drainage Board is a protective layer made of high-density polyethylene (HPDE), which is resistant to plant roots and rot, separates the curtain wall and foundation concrete from the soil by protecting it from water and moisture.

Areas of use

  • It prevents the water formed in the building foundations to rise up.
  • Protects the insulation on the curtain walls and is resistant to high pressure soil load.
  • Resistant to plant roots, rain water and alkali.


It protects the foundation concrete against rising water and moisture from the ground. It is a versatile product that can be applied on shear walls and protects the insulation by taking the soil load.

Packaging and Storage

It is produced in rolls of 2 x 20 m and slabs of 2.5 x 1.2 m.
Rolls are stored vertically and plates are stored horizontally.

Technical Specifications

Plate Raw Material HDPE
Plate Color Black
Sheet Thickness 0.9mm
Roll Width 2.0m and 2.5m
Roll Length 20.0 m
Bubble Height 20mm
Bubble Space 400 Per m²
Air Gap Between Bubbles 14 l/m²
Weight 800gr
Drain Capacity 10 l/s/m
600 l/min/m
36,000 l/h/m
Compressive Strength 150 kN/m² – 200 kN/m² (15 t/m²)
Application Temperature 40 °C to +80 °C
Won’t Rot Under Ground. CE Certified.