Fish Friendly Flood-Gates (FFG)

The fish-friendly flood gate attachment converts new or existing tide/flood gates to meet fish passage requirements.

For new builds we can provide a stainless steel flood gate & fish friendly attachment combo.

flood gates 1


  • Assist fish passage – delay closing
  • Improve water quality – flushing
  • Improve culvert capacity – reduced head-loss
  • Manage groundwater levels and control aquatic weeds – flap open or disable delaying mechanism.


  • Adjustable – time and aperture settings
  • Scalable – to suit different size culverts
  • Quickly disabled if necessary
  • Retrofit or new installations
  • Supplied with or without flap
  • 316 Stainless Steel

To view our our 2019 product range including printable datasheet for this product-

Select the link below.

ATSE – Product data sheets 2019