EFI USA
Panoramic view of EFI USA geosynthetic liner installation

Core Capability

Geosynthetic Liner Installation

EFI USA fabricates and installs geomembrane liners for wastewater lagoons, landfills, industrial containment, and agricultural ponds across the United States. Based in Gaston, South Carolina, our scope includes material supply, custom fabrication, field installation, and liner repair. Start with the application, then review the installation record and quality-control requirements.

10M+
Sq Ft Installed
30+
Years Experience
4000+
Projects Since 1994
45
States Served

Match the liner contractor to the containment scope

Material selection, fabrication, and field installation are separate decisions. The stored material, subgrade, slopes, penetrations, and permit requirements determine the liner design. Use the project specification to define the work before comparing proposals.

Containment applications, installation considerations, and EFI service details
ApplicationScope to defineService details
Wastewater and agricultural lagoonsNew liner or relining, subgrade preparation, pipe penetrations, and any separate cover scopeLagoon liner installation
Landfill and mining containmentLiner layers, geotextile or GCL components, drainage interfaces, and construction quality assuranceMining containment systems
Tank and secondary containmentStored-product compatibility, surface preparation, attachments, penetrations, and leak collection where specifiedSecondary containment liners
Ponds and reservoirsMembrane, thickness, subgrade protection, inlet and outlet details, and water-contact requirementsHDPE pond liners

For a lined lagoon that also needs gas capture, the digester cover and biogas system are additional scopes. For a reservoir cover, see floating cover installation.

Materials

Liner Material Expertise

Looking for a specific system? See our dedicated pages for HDPE pond liners, lagoon liners, secondary containment liners, and tank liners.

HDPE (High-Density Polyethylene)

30-100 mil

The gold standard for chemical resistance and long-term containment. Ideal for landfills, mining operations, and industrial applications where chemical exposure demands maximum impermeability.

  • Superior chemical resistance
  • UV stabilized formulations
  • Highest tensile strength
  • 30-100 mil thickness range

LLDPE (Linear Low-Density Polyethylene)

20-80 mil

Superior flexibility and elongation make LLDPE the preferred choice for uneven subgrades and applications requiring conformability without sacrificing containment performance.

  • Excellent flexibility and elongation
  • Conforms to uneven subgrades
  • Superior stress crack resistance
  • Ideal for settling environments

PVC (Polyvinyl Chloride)

20-60 mil

Highly conformable liner material that excels in complex geometry applications. PVC liners are factory-fabricated to large panel sizes, reducing field seaming and installation time.

  • Excellent conformability
  • Large factory-fabricated panels
  • Reduced field seaming
  • Complex geometry applications

RPP (Reinforced Polypropylene)

30-60 mil

Reinforced scrim construction provides exceptional puncture and tear resistance. The material of choice for biogas covers and applications requiring high dimensional stability.

  • Reinforced scrim construction
  • High puncture resistance
  • Excellent dimensional stability
  • Preferred for biogas covers

Quality Assurance

Specify the testing and closeout records

A liner proposal should identify the installation checks, acceptance criteria, and records the owner will receive. The project specification governs test methods and frequency. Our published HDPE installation guide sets out submittals for material qualification, panel layouts, field testing, and installation records.

Seam Testing
Trial welds, nondestructive seam tests, and destructive peel and shear tests at the project-specified frequency
Repairs and Retests
Identify failed seams and repairs, then document the required retesting
Before Installation
Material certificates, panel and seam layout, crew qualifications, and written subgrade acceptance
Responsibilities
Define installer quality control, independent oversight where required, and owner acceptance
At Closeout
Field installation reports, test and repair records, installation drawings, and applicable warranties
Drone view of EFI geosynthetic liner installation

Review the submittal and closeout checklist in the published HDPE installation guide, section 1.03 (PDF), then confirm the requirements in your project specification. Send the drawings and scope through our project quote form.

Documented liner installations

These dated examples show the material and installation scope recorded in EFI's project histories. They cover landfill, municipal wastewater, and agricultural containment. Use them to identify comparable work, then request references for your own specification and site conditions.

Historical EFI liner projects by location, date, material, and scope
Project and dateLocationDocumented installation
40 West Landfill, Cell 12000Hagerstown, MarylandDouble layer of 60 mil textured HDPE, a geosynthetic clay liner, and protective geotextile
Arlington wastewater treatment plant2006Arlington, Tennessee328,000 square feet of 60 mil textured HDPE for a sludge storage lagoon
Old River Dairy2013Bakersfield, CaliforniaTwo Tier 1 lagoon liner and cover systems using 60 and 80 mil HDPE

Public records of EFI's work

The California Energy Commission's December 2020 Pixley project report identifies Environmental Fabrics, Inc. as the pond-liner installer at Four J Farms. Read the CEC report, printed page 15 (PDF).

For related cover work, EPA's Patterson Farms profile identifies Environmental Fabrics, Inc. as the digester-cover installer at the New York farm, whose digester began operating in 2005. The profile names RCM, now Martin Construction Resource, as the system designer and developer. Read the EPA Patterson Farms profile.

FAQ

Frequently Asked Questions

EFI USA is a national geomembrane liner fabricator and installation contractor based in Gaston, South Carolina. Its services include lagoon, landfill, tank, and secondary containment lining, custom fabrication, and repairs. EFI's published project history includes HDPE liner installation at 40 West Landfill in Maryland, the Arlington wastewater treatment plant in Tennessee, and dairy digesters in California. Ask for references with a material, site condition, and scope comparable to your project.

Compare completed projects using the specified membrane and containment design. Review the proposed supervisor and seaming crew, material certificates, panel layout, subgrade acceptance procedure, trial welds, seam-testing plan, and repair records. Define who performs installation quality control and who accepts the work for the owner. Require the installation record drawing, test results, and warranties in the closeout package, with acceptance criteria set by the project specification.

A geosynthetic liner is a synthetic membrane, typically made from HDPE (high-density polyethylene) or LLDPE (linear low-density polyethylene), used as an impermeable barrier for containment applications. These engineered membranes prevent liquids, gases, and contaminants from migrating into soil and groundwater. EFI installs geosynthetic liners for agricultural lagoons, landfills, mining operations, industrial ponds, and municipal wastewater systems across 45 states.

HDPE liner service life depends on the specific product, installation quality, temperature, chemical exposure, sunlight, and operating conditions. A buried liner and an exposed liner may age differently. Use the manufacturer's product data and the project designer's assessment for a service-life estimate, then plan inspections and maintenance around the actual operating environment.

The project designer should specify membrane type and thickness using the containment requirements, applicable regulations, subgrade, loading, chemical exposure, and manufacturer's data. Thickness alone does not determine suitability. Send EFI the drawings and specification so the installation proposal can address the specified material, seams, penetrations, and testing requirements.

Send the site location, drawings or basin dimensions, stored liquid or waste, specified membrane and thickness, subgrade conditions, penetrations, access constraints, and the required construction window. Include the project specification and testing requirements. Identify whether the scope includes material supply, earthwork, liner installation, an existing liner removal, or repair so the proposal can define each responsibility.

EFI provides geosynthetic liner repair and rehabilitation. The repair method depends on the existing membrane, damage, condition, and access. Compatible patches and welding or joining methods must be selected for that material, then tested according to the project specification. A site assessment determines whether localized repairs or a replacement liner are appropriate.

HDPE and LLDPE are polyethylene geomembranes with different flexibility and stress-strain behavior. LLDPE is generally more flexible, but chemical compatibility, puncture performance, and durability depend on the specific product and project conditions. Compare manufacturer test data for the proposed products, and have the project designer select the membrane for the expected settlement, exposure, loading, and containment requirements.

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