The load rating of a grate is a specification of the amount of weight the grate can withstand.

Residential- Will withstand 1.5 ton wheel loading. Footpaths & driveways.

Class A – 330kg nominal wheel loading. Pedestrians, cyclists.

Class B – 2,670kg nominal wheel loading. Driveways (cars & light commercial vehicles)

Class C – 5,000kg nominal wheel loading. Areas with slow moving traffic (shopping centres). Heavy commercial vehicles.

Class D – 8,000kg nominal wheel loading. Highways & roads, lightly loaded forklift, warehouse

Class E – 13,700kg nominal wheel loading. Commercial heavy wheeled traffic, hard wheeled forklifts, construction/military/mining vehicles

Class F – 20,000 nominal wheel loading. Docks, wharves, airport taxiways

Class G – 30,000 nominal wheel loading. Extra heavy duty, airport runways, docks

View our guide to load class classifications here.