Tapas en hormigón y marco galvanizado modelo A1 y A2 homologadas por Endesa.
| Description | Light. | No. of modules |
| Cover and frame A1 | 675×575 | 2 |
| Cover and frame A2 | 1150×625 | 4 |
ESG and BUPRE are structured in three specialised divisions according to their activity:
- Metal processing and welding
- Hot dip galvanising
- Precast concrete
