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Technical document

Geomembrane Systems Brochure (HDPE | LLDPE | PVC)

Green Insulation technical brochure covering HDPE, LLDPE, and PVC geomembrane selection for containment and civil works.

Geomembranes are synthetic low-permeability barrier sheets. Polymer selection must match chemical exposure, temperature, deformation, slope stability, installation method, and design life.

Final thickness and interface details are design decisions confirmed in the approved product TDS and project submittal — catalogue defaults are not automatic.

Key specifications

Values shown are taken from the published brochure/TDS. Project acceptance follows the approved batch certificate and consultant specification.

Polymers
HDPE | LLDPE | PVC
HDPE thickness framework
GRI-GM13 commonly 0.50–3.00 mm
LLDPE thickness framework
GRI-GM17 commonly 0.50–3.00 mm
PVC thickness framework
ASTM D7176 commonly 0.25–1.50 mm unreinforced (buried)
HDPE strengths
Chemical and UV resistance; field welded
LLDPE strengths
Flexibility and settlement tolerance
PVC strengths
Conformability and factory panelization

Applications

  • — Dam, canal, and reservoir lining
  • — Landfills and industrial containment
  • — Buried water-retaining systems (PVC)

Referenced standards

GRI-GM13 · GRI-GM17 · ASTM D7176

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