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Geocell Erosion Control
Typar GeoCell GS · Five Configurations
Geocell Erosion Control
Confine The Fill. Hold The Slope.
Geotextile cellular confinement that ships flat and expands into a honeycomb on site — holding fill on faces up to 45° and spreading vehicle loads over soft ground.
- Slopes up to 1:1 (45°)
- Fill with native soil or aggregate
- Free shipping · (800) 524-4161
- 1:1Max slope, 45 degrees
- 377ft²Per GS panel
- 4–8inCell depths
- 5Configurations
Choose Your Cell
Geocell Erosion Control For Slopes, Channels And Soft Ground
Geocell erosion control works by confinement rather than mass. A three-dimensional cellular system is laid over the face or subgrade and filled, and because each cell holds its fill in isolation, there is no continuous flow path for water to scour and no unconfined mass to slump. Typar GeoCell GS builds those cells from geotextile rather than solid plastic sheet, so the walls pass water, air and nutrients — the confined fill drains and vegetation roots straight through it.
Panels arrive compacted and flat, then expand on site into a honeycomb of the shape and dimension you need. The GS-250 series is rated to 1:1 (45°) and the GS-350 series to 1:2, with 4″, 6″ and 8″ cell depths across the range. Every order ships free. The comparison below covers cell geometry against slope angle and load, and the FAQ explains what the model numbers mean and how many J-pins a panel needs.
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$465.89
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Typar Geocell Steel Fixing Pins - 100 Pins
Typar · Steel Fixing J-Pins · Model J-PIN-100 A pack of 100 steel J-pins for securing geocell panels to the ground. Driven flush wit...
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$465.89
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$705.48
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$705.48
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Typar Geocell GS - Slope Stabilization - GS-350/100
Typar GeoCell GS · GS-350/100 · Code 124084 A 16.4′ × 23′ panel of Typar GeoCell GS — a three-dimensional cellular confinement syste...
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$705.48
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$977.20
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$977.20
Typar Geocell GS - Slope Stabilization - GS-350/150
Typar GeoCell GS · GS-350/150 · Code 124114 A 16.4′ × 23′ panel of Typar GeoCell GS — a three-dimensional cellular confinement syste...
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$977.20
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$1,100.28
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Typar Geocell GS - Slope Stabilization - Load Support - GS-250/100
Typar GeoCell GS · GS-250/100 · Code 124107 A 16.4′ × 23′ panel of Typar GeoCell GS — a three-dimensional cellular confinement syste...
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$1,100.28
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$1,216.49
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$1,216.49
Typar Geocell GS - Load Support - GS-220/200
Typar GeoCell GS · GS-220/200 · Code 124138 A 20′ × 10′ panel of Typar GeoCell GS — the heavy vehicle load support configuration of ...
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$1,216.49
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$1,216.49
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$1,416.03
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$1,416.03
Typar Geocell GS - Slope Stabilization - Load Support - GS-250/150
Typar GeoCell GS · GS-250/150 · Code 124121 A 16.4′ × 23′ panel of Typar GeoCell GS — a three-dimensional cellular confinement syste...
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$1,416.03
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$1,416.03
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$1,416.03
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$1,416.03
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$1,416.03
Buyer's Guide
How Geocell Erosion Control Works
Erosion on a slope is a flow problem before it is a soil problem. Water gathers on an open face, concentrates into rills, and once it is moving it carries fill with it. A geocell interrupts that at the source: the face is divided into discrete cells, each holding its own fill, so there is no continuous path for water to concentrate along and no unconfined mass free to slump. The result is a stabilized face that can be vegetated, using fill you likely already have on site.
Typar GeoCell GS builds those cells from non-woven geotextile rather than solid plastic sheet, and that difference matters in two ways. The walls are permeable to water, air and nutrients, so confined fill drains rather than perching water behind an impermeable cell, and roots grow through the walls instead of stopping at them — which is why vegetative performance is better than with a sealed cell. The material is also lightweight and flexible, conforming to surface variations instead of bridging them, and it resists impact damage during placement.
The same geometry does a second job on flat ground. Filled cells transfer downward forces laterally, spreading a wheel load across a wider footprint and reducing the stress reaching weak subgrade — which is what allows a thinner constructed section over poor soils. You will also see the category called cellular confinement, geocell grid, geoweb or ground grid.
Erosion Control Or Load Support
Every GS panel does both to some degree, but cell geometry decides which it does well. Small-diameter cells confine a smaller mass of fill each, so they hold a steeper face; deep cells create a thicker confined layer, so they carry a heavier load.
GS-250 · steep slopes
10″ Cells — Slopes To 1:1
The steepest rating in the range at 1:1 (45°), in 4″ and 6″ depths. The narrower cell confines less fill per cell, which is exactly what holds a near-45° face. Both depths also carry pedestrian and light vehicle loads.
- Slopes up to 45 degrees
- 4″ or 6″ cell depth
- 16.4′ × 23′ panel, about 377 ft²
GS-350 · broad faces
13.8″ Cells — Slopes To 1:2
Larger cells in 4″ and 6″ depths, rated to 1:2. Fewer cells per square foot means faster filling over large areas — the efficient pick for long embankments and landfill side slopes at moderate grade.
- Slopes up to 1:2
- 4″ or 6″ cell depth
- 16.4′ × 23′ panel, about 377 ft²
| Model | Panel size | Cell depth / dia. | Max slope | Application |
|---|---|---|---|---|
| GS-250/100 | 16.4′ × 23′ | 4″ / 10″ | 1:1 (45°) | Erosion control plus pedestrian and light vehicle load support |
| GS-250/150 | 16.4′ × 23′ | 6″ / 10″ | 1:1 (45°) | Erosion control plus light vehicle load support |
| GS-350/100 | 16.4′ × 23′ | 4″ / 13.8″ | 1:2 | Slope erosion control |
| GS-350/150 | 16.4′ × 23′ | 6″ / 13.8″ | 1:2 | Slope erosion control, deeper confined layer |
| GS-220/200 | 20′ × 10′ | 8″ / 8.6″ | — | Heavy vehicle load support |
Reading the model number: cell diameter in millimeters, then cell depth. GS-250/150 is a 250 mm (10″) cell, 150 mm (6″) deep. DT and DC series geocell is also available — call (800) 524-4161 for information and pricing.
Common Applications
Steep slope erosion controlFaces up to 45° held with confined, vegetated fill instead of a wall.
Landfill caps & side slopesCover systems that have to stay put through heavy rainfall events.
Highway embankmentsCut and fill slopes, shoulders and bridge abutment faces.
Channels & swalesLinings that resist scour where flow concentrates.
Access roads over soft soilSite and haul access with a thinner section over poor subgrade.
Tree root protectionLoad spread across a root zone without compacting the soil beneath.
How To Install Geocell
No specialist plant required. The critical detail is pinning — an expanded panel weighs almost nothing, and fill placed from the crest downward will drag an unpinned panel with it.
- 1Prepare the surface
Grade and clear the face or subgrade. On a slope, cut an anchor trench at the crest so the top of the panel can be keyed in.
- 2Expand the panel
Panels arrive compacted and open out into the honeycomb formation to the shape and dimension the area needs.
- 3Pin it in place
Drive steel J-pins through the cells to hold the expanded panel against the surface before any fill goes in.
- 4Connect adjacent panels
Butt and join panels across the area, keeping cells aligned so the finished fill sits level.
- 5Fill and vegetate
Place infill from the top of a slope working down, overfilling slightly so it settles flush. Topsoil and seed give a vegetated face.
Fixing pins
Shop J-Pins
Steel J-Pins come 100 to a pack. A slope application takes roughly 125 pins per panel; a flat load support application needs about 10 per panel — so a single slope panel is more than one pack on its own. Typar Steel J-Pins must be ordered with an accompanying Typar geocell product and cannot ship alone.
Other Ground Stabilization Options
Confinement is one approach to unstable ground. Depending on whether the priority is holding fill, reinforcing soil in tension, or retaining gravel at the surface, a different product may suit the job better.
Geocell gravel grids
Rigid HDPE ground grid pavers in 3″, 4″, 6″ and 8″ depths — the alternative when the cells are filled with gravel rather than vegetated soil.
Geogrid
Tensile reinforcement placed between soil layers, for embankments and base reinforcement where the load path needs strength rather than confinement.
Retaining wall geogrid
The grades specified between courses of a segmental retaining wall, for walls above about 3 to 4 feet.
Shipping And Volume Orders
Free shipping on every order at Landscape Discount — every geocell panel ships free. Is your order total more than $15,000? Call (800) 524-4161 or submit a quote request and we will put together written volume pricing for your project.
Geocell FAQs
What do the model numbers mean?
Cell diameter in millimeters, then cell depth. GS-250/150 is a 250 mm (10″) diameter cell, 150 mm (6″) deep. GS-350/100 is 350 mm (13.8″) diameter, 100 mm (4″) deep.
Which model do I need for my slope?
The GS-250 series is rated to 1:1 (45°) and the GS-350 series to 1:2 — the smaller cell holds a steeper face because it confines less fill per cell. Depth follows the confined layer you want: 4″ for erosion control on a face, 6″ where there is also traffic or deeper fill. Confirm the design with your engineer for anything structural.
How much area does a panel cover?
The GS-250 and GS-350 panels are 16.4′ × 23′, about 377 square feet each. GS-220/200 is 20′ × 10′, about 200 square feet.
How many J-pins do I need?
Roughly 125 pins per panel for a slope application and about 10 per panel for a flat load support application. Pins come 100 to a pack, so a single slope panel takes more than one pack. Note that Typar Steel J-Pins must be ordered with an accompanying Typar geocell product and cannot ship alone.
What can I fill the cells with?
A wide range of infill works, including native soils, aggregates and recycled aggregates — often the biggest saving on the job, since it reduces both haul-off and imported material. Topsoil and seed give a vegetated face.
How is this different from a plastic geocell?
The cell walls are non-woven geotextile rather than solid plastic sheet, so they pass water, air and nutrients. Confined fill drains and roots grow through the walls, which improves both stability and vegetative performance. The material is also lightweight and flexible, conforming to surface variations rather than bridging them.
Will grass grow through it?
Yes — that is a design intent of the geotextile wall. Fill the cells with topsoil and rootzone, then seed or sod. Roots pass through the permeable walls rather than being confined to individual cells, which is what ties the whole face together over time.
Can it reduce my base course depth?
That is one of its main uses on flat ground. Because filled cells transfer downward forces laterally and reduce the stress reaching the subgrade, a confined section can perform like a thicker unconfined base — less excavation and less imported aggregate. Have the section designed for your subgrade and traffic.
How much does shipping cost?
Shipping is free on every order at Landscape Discount — geocell panels ship free with no minimum order.