Geomembrane HDPE Geomembrane
Smooth HDPE geomembrane liner to GRI-GM13 — an impermeable high density polyethylene pond liner for landfill, water and containment, 0.75–3.0 mm.
- GRI-GM13
- 0.75–3.0 mm (30–120 mil)
- Smooth · Black
Products
Geosynthetic Products
As a geosynthetics manufacturer and supplier, SIGMA produces a full range in-house — HDPE geomembrane liners, woven and nonwoven geotextiles, geocells, GCL (geosynthetic clay liner), geobags and geotubes, plus drainage, erosion-control and protective products — for lining, reinforcement, filtration and containment projects worldwide. Browse the clusters below.
Geomembrane
Geomembrane 
Geomembrane PVC Geomembrane
Flexible PVC geomembrane and PVC pond liner to ASTM D7176 / PGI-1104 — a non-reinforced polyvinyl chloride liner, 10–60 mil, for ponds and containment.
- ASTM D7176 / PGI-1104
- 10–60 mil (0.25–1.52 mm)
- Gray or black · Smooth/embossed
Geomembrane LLDPE Geomembrane
Smooth LLDPE geomembrane and flexible LLDPE liner to GRI-GM17 — a linear low density polyethylene liner, 0.50–3.0 mm, for landfill, pond and containment.
- GRI-GM17
- 0.50–3.0 mm (20–120 mil)
- Smooth · Flexible · Black
Geomembrane LDPE Geomembrane
Flexible LDPE geomembrane and LDPE liner — a low density polyethylene film liner with PE resin, carbon black and UV stabilizers for landfill and pond.
- Low density polyethylene
- Flexible film liner
- Smooth · Black
Geomembrane Textured Geomembrane
Textured HDPE geomembrane to GRI-GM13 — a rough-surface polyethylene liner, single or double textured, 0.75–3.0 mm, for steep slopes, landfill and mining.
- GRI-GM13 (textured)
- 0.75–3.0 mm (30–120 mil)
- Single/double textured · Black
Geomembrane Composite Geomembrane
Composite geomembrane — HDPE/PE geomembrane laminated with one or two nonwoven geotextile layers (GM-GT composite liner) for dams, canals and landfill.
- GM-GT composite liner
- One/two-cloth-one-membrane
- Geotextile + PE geomembrane
Geotextile
Geotextile Woven Geotextile
High-strength woven geotextile fabric (PP / PET high-tenacity yarn) to AASHTO M288 — for separation, stabilization and reinforcement on roads.
- AASHTO M288
- Class 1 / 2 / 3
- PP / PET · Woven
Geotextile Nonwoven Geotextile
Needle-punched nonwoven geotextile fabric (PET / PP staple fiber) to AASHTO M288 — for filtration, separation, drainage and protection in French drains.
- AASHTO M288
- Needle-punched · ≥50% elong.
- Filtration · Drainage
Geotextile PP Geotextile
Polypropylene (PP) geotextile to AASHTO M288 — needle-punched PP nonwoven for filtration, separation, drainage and protection, plus woven PP grades.
- AASHTO M288
- Class 1 / 2 / 3
- Polypropylene · Woven / Nonwoven
Geotextile PET Needle-Punched Nonwoven Geotextile
PET needle-punched nonwoven geotextile to AASHTO M288 — staple-fiber polyester fabric for filtration, separation, drainage and protection on subgrades.
- AASHTO M288
- Needle-punched · ≥50% elong.
- Polyester (PET) · Nonwoven
Geotextile Polyester Filament Nonwoven Geotextile
Polyester continuous filament nonwoven geotextile to AASHTO M288 — spunbond PET filament fabric with high strength and good drainage for roads.
- AASHTO M288
- Continuous filament · Spunbond
- Polyester (PET) · Nonwoven
Geotextile Polyester-PP Woven Geotextile
Polyester / polypropylene woven geotextile to AASHTO M288 — high tensile, low-elongation PET/PP woven fabric for landfill reinforcement and road base.
- AASHTO M288
- Class 1 / 2 / 3
- PET / PP · Woven · High tensile
Geocell
Geocell Gravel Grid
HDPE gravel grid / grass paver — a snap-together cellular grid that confines gravel or grass for permeable, load-bearing driveways, paths and slopes.
- HDPE cellular paver
- Interlocking
- Gravel / grass · permeable
Geocell Smooth HDPE Geocell
Smooth HDPE geocell — a 3D honeycomb ground grid for slope protection, gravel driveways and load support. Ultrasonically welded, panels custom-sized.
- Smooth HDPE · ultrasonic welded
- 3D cellular confinement
- Slope · driveway · load support
Geocell Textured Perforated HDPE Geocell
Textured perforated HDPE geocell — a 3D honeycomb ground grid with textured, perforated cell walls for extra friction and drainage. Welded, custom-sized.
- Textured + perforated HDPE
- 3D cellular confinement
- Higher friction · drainage
GCL
GCL Geosynthetic Clay Liner (GCL)
Needle-punched reinforced sodium bentonite geosynthetic clay liner (GCL) to GRI-GCL3 — a self-sealing clay liner for ponds, landfills and containment.
- GRI-GCL3 (Rev. 5)
- Reinforced GT-GT · needle-punched
- Sodium bentonite ≥ 3700 g/m²
GCL PE-Laminated GCL
PE-laminated GCL (geofilm GCL) — a needle-punched sodium bentonite clay liner with a polyethylene film on one face for an extra impermeable barrier.
- PE film + needle-punched GCL
- Bentonite base per GRI-GCL3
- Geofilm GCL · steep-slope
Geobag / Geotube
Geobag / Geotube Geotube
Geotube (geotextile dewatering tube) — a large prefabricated woven-geotextile tube for sludge dewatering, dredge containment and shoreline structures.
- Woven geotextile
- Dewatering
- Custom-sized
Geobag / Geotube Geobag
Geobag — a geotextile bag sewn from woven or needle-punched PP/PET fabric, filled with sand or soil for shoreline protection, dredging and dewatering.
- Woven / nonwoven PP-PET fabric
- Sand fill · custom sizes
- Containment · dewatering
Drainage
Drainage Corrugated Drainage Pipe
HDPE double-wall corrugated drainage pipe (Type S) to AASHTO M294 — corrugated outside, smooth inside, solid or perforated, 4"–60" for culverts.
- AASHTO M294
- Type S dual-wall
- 4"–60" · solid / perforated
Drainage Rigid Permeable Drain Pipe
Rigid permeable drain pipe (plastic blind ditch) — a PE filament-wound permeable core, optionally geotextile-wrapped, for rapid groundwater intake.
- Plastic blind ditch
- PE permeable core
- Geotextile-wrapped (optional)
Drainage Wick Drain (PVD)
Prefabricated vertical drain (PVD / wick drain) — a PP drainage core in a nonwoven PP geotextile filter that accelerates consolidation of soft soils.
- ASTM D4716
- 100 mm band drain
- PP core + geotextile filter
Drainage Dimpled Drainage Sheet
HDPE dimpled drainage sheet (dimple board) — a studded polyethylene membrane that drains and waterproofs foundation walls, basements and green roofs.
- HDPE dimple board
- Drainage + waterproofing
- Geotextile-faced (optional)
Drainage Prefabricated Horizontal Drain (PHD)
Prefabricated horizontal drain (PHD) — a strong PP drainage core in a nonwoven filter jacket, laid horizontally to discharge pore water from drains.
- PHD drain
- PP core + nonwoven filter
- Soft-ground consolidation
Drainage Rainwater Storage Module
Modular PP rainwater storage module (stormwater crate) — high-strength polypropylene cells that assemble into an underground tank for detention and reuse.
- PP storage crate
- Modular · high void ratio
- Detention / infiltration / reuse
Erosion Control
Erosion Control HDPE Plastic Flat Mesh (Geonet)
HDPE plastic flat mesh (geonet) — extruded polyethylene netting in 7 models, 550–1240 g/m², for slope protection, fencing and ground reinforcement.
- 7 models · CE121–HF10
- HDPE · 550–1240 g/m²
- 2–2.5 m wide · multi-color
Erosion Control Silt Fence
Woven polypropylene silt fence for above-ground sediment control — AASHTO M288 silt fence fabric in 24/30/36 in heights, UV-stable and high-strength.
- AASHTO M288
- 24 / 30 / 36 in
- Woven PP · Black
Erosion Control Turbidity Curtain
Floating turbidity curtain (silt curtain) for in-water sediment control — DOT Type 1, 2 and 3 silt barriers with PVC fabric, flotation and ballast chain.
- DOT Type 1 / 2 / 3
- PVC-coated polyester
- Floating · Hi-vis
Erosion Control Concrete Blanket (GCCM)
Concrete blanket (GCCM / concrete canvas) — a flexible cement-filled mat to ASTM D8364 that hydrates into a thin, durable concrete erosion-control layer.
- ASTM D8364
- 5 / 8 / 13 mm
- GCCM · PVC-backed
Erosion Control 3D Reinforced Geomat
3D reinforced geomat — a 3D PP mesh matrix composited with galvanized steel wire mesh that anchors topsoil and grass on slopes for erosion control.
- 3D PP mesh + steel wire
- Erosion control geomat
- Vegetated slope protection
Erosion Control Concrete Revetment Mattress
Concrete revetment mattress (articulated concrete mattress) — a woven geotextile form pumped full of concrete grout for a scour-resistant lining.
- Fabric-formed concrete
- Articulated concrete mattress
- Scour-resistant slope lining
Protective
Protective Root Barrier
HDPE root barrier — a rigid polyethylene tree root barrier installed vertically in a trench to redirect roots and protect foundations. 40–100 mil.
- HDPE
- 40 / 60 / 80 / 100 mil
- 18–60 in · Black
Protective Floating Cover
Geomembrane floating cover for reservoirs, lagoons and digesters — a custom-fabricated HDPE / RPE floating cover for odor containment and biogas capture.
- HDPE / RPE membrane
- Custom-fabricated to basin
- Odor & evaporation control
Installation Equipment
Installation Equipment Geomembrane Glue
Geomembrane glue (hot-melt adhesive) for jointing geotextile, geomembrane and geosynthetics — a brush-applied HDPE liner glue with high bond strength.
- Hot-melt adhesive
- Brush-applied
- For geomembrane & geotextile
Installation Equipment Geomembrane Welding Machine
Geomembrane welding machine (hot wedge welder) for HDPE liner installation — a high-power, fast, reliable welder for watertight liner seams.
- Hot wedge welder
- High power · fast
- For HDPE liner seams