Breakthrough Application! High-performance PVC geomembrane becomes the core material for tunnel waterproofing.

20-08-2025

A key tunnel project in China has achieved a technological breakthrough, fully adopting PVC geomembrane as the primary waterproofing layer, significantly improving the tunnel's durability and safety. This innovative application signals the maturity of PVC geomembrane technology in the tunneling sector.


The reinforced PVC geomembrane used in this project, with its excellent flexibility, high impermeability, and superior chemical resistance, perfectly addresses leakage challenges in complex geological conditions. During construction, engineers laid wide-width PVC geomembrane rolls using a specialized welding process, creating a continuous, complete, and sealed waterproof barrier, ensuring the integrity of the tunnel lining.


Experts indicate that compared to traditional materials, PVC geomembrane is not only more cost-effective, but its long service life and minimal maintenance requirements also significantly contribute to cost control throughout the project's lifecycle. This successful implementation provides a valuable example for the large-scale adoption of PVC geomembrane in subsequent waterproofing projects, such as subways, underground pipeline corridors, and mountain tunnels, solidifying its position as the preferred material for tunnel anti-seepage geomembranes.


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