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| Godkjennelse - No. 2056 - PP avløpsrør 110-200 mm | Product certification | pdf | 28.02.2021 | Download |
| Godkjennelse - No. 2084 - Wafix PP-MD deler 110-160 mm | Product certification | pdf | 28.09.2021 | Download |
| POLYPROPYLENE (PP) SMOOTH WALLED MONOLAYER SEWER PIPE SYSTEM | Product certification | pdf | 28.10.2020 | Download |
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| Plastics piping systems for non-pressure underground drainage and sewerage PVC-U, PP, PP-MDD, PE; 110-200 mm | Product certification | pdf | 04.05.2015 | Download |
| Godkjennelse - No. 2056 - PP avløpsrør 110-200 mm | Product certification | pdf | 18.12.2012 | Download |
| EPD PVC ML resirk | Product certification | pdf | 28.10.2020 | Download |
| Godkjennelse - No. 2013 - Wavin PVC avløpsdeler 110-500 mm | Product certification | pdf | 28.07.2020 | Download |