type | product | diameter (mm) | total depth | load class |
---|---|---|---|---|
plastic chambers | base | 320, 450 | ||
plastic chambers | riser | 320, 450 | 0.6m, 1.2m | |
plastic chambers | lid | 320, 450 | 15kn, 35kn | |
surface drainage | channel drain | n/a 1m lengths | 15kn | |
surface drainage | channel drain fittings |