Class A and B Galvanised Steel Grates suitable for Everhard's Series 450 Polymer Stormwater Pits.


450 W x 450 L

Galvanised Steel Grate to suit Everhard Series 450 Stormwater Pit.



  • 450 L x 450 W 
  • Loading rating of 330kg
  • Suitable for: any area where surface water collects and is not exposed to vehicular traffic


Installation Information:

  • Variety of grates available depending on the application
  • Lightweight and easy to install
  • Drop-In install



If you are looking for Revit files – contact us at [email protected]



See the below table for Class Loadings. Please note:  we only supply Class A Grates for 300 Series Pits

Load ratings
Class A 330 kg – Suitable for areas exposed only to pedestrian traffic – not including livestock.
Class B 2670kg – Suitable for pedestrian areas open to traffic from service vehicles. Class B is often selected for applications such as car-parks where commercial and heavy goods vehicles are not permitted.
Class D  8000kg – Suitable for normal roadway traffic areas exposed to commercial and heavy goods vehicles.



*All prices are recommended retail inclusive of GST in AUD. To be used as a guide only, prices may vary between model variations, and are subject to change without notice. A number of brands and products on this website are the subject of registered trade marks, register designs and/or registered patents.