Thundaflo is a Proven Heavy Duty Channel Drainage System

Key Features

  • Section Lengths - 500mm, 1000mm, 1500mm, 2000mm, 2500mm, 3000mm
  • Channel: Variable Built-in-Falls (River & Torrent) & Zero Gradient
  • Unique Design Dissapates Loading - see diagram below
  • Extra Heavy Duty Class E400 (AS3996) Ductile Iron Grating or Galv. Mesh (Class D/210) Grating
  • Easy Installtion: Interlocking Modular Sections, Independent Positioning system ​

Nominal Widths

125 Series ~125mm width 

200 Series ~200mm width

300 Series ~300mm width


Modular System


48 L/m Continuous Built-in-Fall
Length can be extended with Zero Gradient sections


Super Steep High Velocity/Self Cleaning: Ideal for short runs particularly for entranceways where road debris is an issue

Length Adjustment

Overall Length can be adjusted. (0.5 L/m multiples is adjusted at the start - R1...)

In-Line Sumps

125, 200, 300 Series

 (300 Series Sump Illustrated below)

Next: Series / Widths