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HDPE Geomembrane Stitching and Welding

Stitching and welding geomembrane is the key to seepage control.

1. The width of stitching and welding is generally more than 0.2m.

2. The construction topography and utilization function of lap joint can be divided into natural lap joint, seam joint or welding.

The lap width is usually more than 0.5m. If there is geotextile exposed for a long time, it shall be welded or stitched. The construction site shall be inspected at the time of construction stitching, not only in accordance with the drawings. During the construction, try to avoid stones or sharp objects directly contacting the geomembrane to avoid damage to the geomembrane. The most effective way is to pave the geomembrane while constructing the protective layer.