What is a Geomembrane?

A geomembrane is a very low permeability synthetic membrane liner or barrier commonly used to control fluid (or gas) migration in a human-made project, structure, or system.

The use of membranes in civil and environmental applications is becoming more widespread as there develops a greater understanding of the effects of contaminated ground conditions on structures and the environment. Global Synthetics are able to offer a wide range of membranes that are compatible with the diverse range of applications and contaminants likely to be encountered. Global Synthetics are able to advise on the most appropriate product for each specific application.

Global Synthetics Geomembranes

ProLiner® geomembranes are supplied by Global Synthetics as High Density Polyethylene geomembranes(HDPE), Linear Low Density Polyethylene geomembranes (LLDPE) and Low Density Polyethylene geomembranes (LDPE). Global Synthetics are able to arrange either on-site or factory fabrication of these products to suit the application. The Low Density Polyethylene geomembrane product is supplied in a folded configuration for ease of fabrication.

Carbofol® Geomembranes are supplied by Global Synthetics as High Density Polyethylene (HDPE) wide-width rolls in either a textured or smooth sheet profile. Carbofol geomembranes are European-produced products to the highest standards of quality. The unique feature of the Carbofol® membrane range is the ability to supply product with a highly textured profile. In critical areas where sliding of the membrane is possible, the Megafriction® surface improves the resistance to sliding.

Global Synthetics are able to offer a black/white geomembrane range that is particularly suitable when welding in hot climates. The black/white characteristic minimises the formation of wrinkles which has a detrimental effect on leakage rates, should the membrane be punctured.

Common Applications of Geomembranes

  • Waste water treatment facilities
  • Landfill caps /closures
  • Potable water reservoirs
  • Tank linings
  • Dam/ Pond liners
  • Floating covers
  • Solutions ponds for mining
  • Retention ponds
  • Storage tanks

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