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How to Repair a Puncture in Geomembrane

Small punctures or weld defects can be repaired on site without replacing the whole liner.

Repairing puncture in geomembrane with extrusion weld

Repair Steps

  • Clean and dry the damaged area.
  • Cut a circular patch larger than the hole.
  • Use extrusion weld or hot air gun with matching welding rod.
  • Fully bond the patch edges and test.
  • Record repairs for the as-built report.

We supply repair materials. Contact us for technical support.