| Godkjennelse - No. 2031 - X-Stream/Wavin-Rib rør og fittings, dim 100-600 | Product certification | pdf | 28.10.2021 | Download |
| Structured wall pipes and fittings for non-pressure underground drainage and sewerage - X-stream structured wall pipes type PP and sealing rings | Product certification | pdf | 06.04.2015 | Download |
| Godkjennelse - No. 2045 - X-Stream/Opti-Rib rør og fittings | Product certification | pdf | 28.11.2021 | Download |
| POLYPROPYLENE (PP) STRUCTURED (TWIN) WALL SEWER PIPE SYSTEM | Product certification | pdf | 28.10.2020 | Download |
| 250MM X-STREAM PP OVERVANNSRØR 6M M/MF | Product data sheet | pdf | 02.04.2015 | Download |