DIN CEN/TS 17986:2024-01 Flexible sheets for waterproofing - Extrapolation rules for testing results on resistance to root penetration; German version CEN/TS 17986:2023
2024DIN CEN/TS 17986:2024-01 Flexible sheets for waterproofing - Extrapolation rules for testing results on resistance to root penetration; German version CEN/TS 17986:2023