PVC Tunnel Waterproofing Membrane Systems with Protective Geotextile
A PVC tunnel waterproofing membrane is a factory-made sheet that wraps a tunnel or deep structure before the final concrete lining. It must stay watertight under groundwater for decades, and nobody can reach it once the lining is cast. So the system includes more than a sheet: a protective fleece, welded seams and a way to locate and seal leaks ... Read More