HDPE Interlocking Drain Board

  • Rapid Drainage Efficiently drains excess water while retaining an optimum moisture level — ideal for promoting plant growth in planter box and roof garden applications.
  • Lightweight No cranes or lifting equipment required.
  • Strong structural design Structurally engineered to be used in drainage-critical applications such as planter boxes and roof gardens.
  • Versatile design HYDRODRAIN can be installed horizontally or vertically and are easily configured to meet project specifications.
  • Quick installation Faster installation than traditional aggregate drainage systems.
  • High infiltration 90% void ratio.
  • Biological resistant The product is indefinitely resistant to biological contaminants.

HYDRODRAIN is a dimple-raised, moulded drainage board composed of a specially formulated high-density polyethylene (HDPE) with high chemical and compression resistance.

Recommended Uses
This material is intended to have adhered to substrates in combination with other waterproofing materials for use in roof gardens, planters, playgrounds, basements, retaining walls, bridge abutments, culverts and tunnel linings.


Size: 330 mm x 330 mm x 30 mm
Material Recycled Polypropylene
Colour: Black
Compressive Strength : > 900 kN
Discharge Capacity: 7.4 L/s/metre width @ 0.5% gradient
Horizontal Flow Rate: 1.7 L/s
Vertical Flow Rate: 1.7 L/s
Service Temperature: -10 °C to 80 °C