company details

Back to homepage

Since 1988

Gundle/SLT Environmental, Inc. (GSE) is a global manufacturer and marketer of
geosynthetic lining solutions, products, and services used in the containment and
management of solids, liquids and gases for organizations engaged in waste
management, mining, water, wastewater, agriculture, aquaculture, and other industrial

Smooth Geomembranes
Covered or exposed, GSE smooth geomembranes provide dependable containment for the most demanding applications: landfills, agriculture, aquaculture, cappings, covers, mining, ponds, secondary containment, treatment systems and other containment needs.

• GSE White
• GSE Conductive
• GSE Conductive White
• GSE UltraFlex
• GSE UltraFlex White

Textured Geomembranes
GSE sprayed or coextruded textured surfaces increase the interface friction between containment membranes and adjoining materials.

• GSE HD Textured
• GSE Smooth Edge Textured
• GSE White Textured
• GSE UltraFlex Textured
• GSE UltraFlex White Textured

Drainage Products
GSE drainage products provide a wide range of in-plane flow performance to facilitate fluid flow for leachate removal and collection systems or gas vent layers. GSE offers geonet and geocomposite structured drainage products to satisfy the most critical design requirements.


• GSE HyperNet
• GSE HyperNet HF
• GSE HyperNet HS
• GSE HyperNet UF
• GSE PermaNet HL
• GSE PermaNet UL
• GSE PermaNet TRx
• GSE HyperNet TRx


• GSE FabriNet
• GSE FabriNet HF
• GSE FabriNet HS
• GSE FabriNet UF
• GSE PermaNet HL
• GSE PermaNet UL
• GSE PermaNet TRx
• GSE FabriNet TRx
• GSE BioDrain LP
• GSE BioDrain HP

GSE Nonwoven is a family of polypropylene staple fiber nonwoven needle punched
geotextiles. Manufactured using an advanced manufacturing and quality system, these
products are the most uniform and consistent nonwoven needlepunched geotextiles
currently available in the industry.

• GSE NW 4, 6, 8, 10, 12, 14, 16, 20, 24, 28, 32

Geosynthetic Clay Liners
GSE GundSeal GCLs are manufactured hydraulic barriers consisting of bentonite clay bonded to a geomembrane and covered with a thin geotextile. In covered environmental applications, GCLs are utilized as an efficient and cost effective replacement for conventional compacted clay liners (GCLs).

• GSE GundSeal Smooth
• GSE GundSeal Textured
• Bentofix EC should be GSE BentoLiner EC
• Bentofix NWL GSE BentoLiner NWL
• Bentofix NS GSE BentoLiner NS
• Bentofix NSL GSE BentoLiner NSL
• Bentofix NW GSE BentoLiner NW
• Bentofix CNSL GSE BentoLiner CNSL

Specialty Products
GSE supplies products providing for many specialized containment needs and/or support for liner installations.

• GSE CurtainWall and GSE Gundwall – designed to block lateral migration of
• subsurface fluids.
• GSE Tunnel Liner – HDPE geomembrane used as an underground waterproofing
• barrier liner system.

Concrete Embedment Products
Concrete embedment liners are used to provide concrete protection from mechanical
damage and corrosive and erosive environments in a wide range of industrial, municipal
and civil applications.

• GSE StudLiner – 2.0 mm to 5.0 mm

Visit Website:

19103 Gundle Road
Houston, Texas 77073

United States

Phone:1 281 443 8564
Fax:1 281 875 6010