Support dressed and inflows drained, 400 g/m² geotextile cushion hung, 1.5mm EVA board fixed on quincunx discs (arch 0.8m), double-seam welded laps air-tested, defects patched and retested before secondary lining.
Highway Tunnel Waterproofing: A highway tunnel, Southwest China, 2022, approx. 2.4 km waterproofed. Materials used: 1.5mm EVA waterproof board, 400 g/m² filament geotextile, welding discs. No leakage behind lining; all seam air tests passed; secondary lining proceeded smoothly.

| Item | Details |
|---|---|
| Location | A highway tunnel, Southwest China |
| Year | 2022 |
| Scale | approx. 2.4 km waterproofed |
| Materials used | 1.5mm EVA waterproof board, 400 g/m² filament geotextile, welding discs |
| Related solution | Tunnel & Underground Works |
Support dressed and inflows drained, 400 g/m² geotextile cushion hung, 1.5mm EVA board fixed on quincunx discs (arch 0.8m), double-seam welded laps air-tested, defects patched and retested before secondary lining.
No leakage behind lining; all seam air tests passed; secondary lining proceeded smoothly.
▶ Full specification for this application: Tunnel & Underground Works ›
Project cooperation and bulk purchase: +86 13105341718 (Mr. Yang).
Dezhou Yurun Geosynthetics Co., Ltd. is a source manufacturer of geosynthetic anti-seepage materials, located in the geosynthetic industrial cluster of Lingcheng District, Dezhou City, Shandong Province, China. We supply HDPE geomembrane, pond liners, composite geomembrane, filament and staple geotextile, tunnel waterproof board, composite drainage net, sodium bentonite GCL, ecological bags and cement blanket to projects across China and overseas.
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Same number: 13105341718
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HDPE geomembrane · pond liner · composite geomembrane · geotextile · GCL · drainage net · geobag · cement blanket · tunnel board
GB/T standards · In stock · Custom sizes · Free technical support · Worldwide delivery
+86 13105341718 (Mr. Yang · WeChat / WhatsApp)