Approvals by the German Institute of Building Technology (DIBt)
The German Institute of Building Technology (DIBt) is a joint institute of the Federal and Laender Governments for a uniform fulfilment of technical tasks in the field of public law and the only approval body for building products and types of building.
- Issuance of European and technical approvals for building products and systems
- Issuance of general building authority approvals for building products and types of building
- Recognition of testing, monitoring and certification bodies for tasks within the framework of the Ü-symbol and the CE-marking of building products
- Publication of the building regulation lists A and B and of list C for building products
- Cooperation in the national and European standards and regulations work
- Expertise activity
| Approval no. | Procedure system |
| Z-42.3-326 | Procedure of sectional renovation with the designation “3P-Plus-Kurzliner” in the nominal width range DN100 to DN700 |
| Z-42.3-362 | Hose liner procedure with the designation Brawoliner®-Fix for the renovation of underground damaged wastewater pipes in the nominal width range DN100 to DN200 |
| Z-42.3-441 | Hose liner procedure with the designation “Fluvius TopFlex” for the renovation of underground damaged wastewater pipes in the nominal width range DN100 to DN200 |
| Z-42.3-416 | Hose liner procedure with the designation “lineTEC® ProFlex” for the renovation of underground damaged wastewater pipes in the nominal width range DN100 to DN200 |
| Z-42.3-434 | Hose liner procedure with the designation “lineTEC® SP-Liner” for the renovation of underground damaged wastewater pipes in the nominal width range DN150 to DN750 |
| Z-42.3-412 | Repair and renovation procedure for wastewater pipes with EPOXONIC® resins by means of a KA-TE/PMO-robot |
| Z-42.3-453 | Method of partial rehabilitation for the rehabilitation of defective underground sewers with the nominal diameters of DN100 up to DN600 with short- and longliners |