| Reference | Name | Certification mark |
|---|---|---|
| NF384 | Hollow core slabs made of reinforced concrete and prestressed concrete |
|
| NF547 | Expanded polystyrene-based blocks for formwork and lightweight blocks for simple formwork |
|
| QB02-01 | Prestressed concrete beams |
|
| QB02-02 | Pre-slabs |
|
| QB02-03 | Hollow core slabs |
|
