Gundle/SLT Environmental, Inc.

GSE is a leading manufacturer and marketer of geosynthetic lining products and services. GSE have built a reputation of reliability through their dedication to providing consistency of product, price and protection to their global customers. GSE is committed to innovation and focused on quality, and along with their expertise, they offer flexibility to their clients, collaborating with them to create a custom, purpose-fit solution.

GSE products are used in many markets and for numerous applications around the world. No other manufacturer offers a broader line of geosynthetic products to perform in virtually any environment. And we have the expertise to ensure that our products comply with industry and regulatory requirements.




Geomembranes are the most widely used products for solid waste containment (such as landfill liners), mining and water containment applications.


Geosynthetic Clay Liners (GCLs)

GCLs combine geosynthetics with sodium bentonite clay to form a highly impermeable barrier that often replaces thick layers of expensive compacted clay.


Geonets and Geocomposites

GSE offers a broad range of quality geonet and Geocomposites drainage products designed to complement or replace sand, stone and gravel.


Concrete Protection

Protect your investments with GSE StudLiner, a line of high-density polyethylene (HDPE) concrete protection products that prolong the life of concrete.

GSE products can be used in the following applications:

  • Canals
  • Oxidation Ponds
  • Landfills
  • Artificial Lakes
  • Groundwater & Chemicals Reservoirs
  • Aquaculture Lagoons
  • Foundation Insulation & Roofing
  • Swimming Pool Insulation
  • Chemicals Tank Insulation
  • Mining Leach Pads
  • Golf Course Lakes

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