Complaint
| Name | Manhole Covers |
| Material | Ductile iron grade 500-7 in accordance with ISO 9001 |
| Standard | BS EN124-2: 2015 |
| Certificate | ISO9001, SGS, BSI Kitemark |
| External coating | Bitumen or according to customers requirement |
| Ductile iron manhole covers are divided into the following classes | A15, B125, C250, D400, E600 and F900 |