SIGMA 3D reinforced geomat is a three-dimensional polypropylene mesh mat composited with galvanized steel wire mesh for erosion control. Its open three-dimensional structure leaves room to hold soil and let grass root and grow through it, so the slope is reinforced while it greens. The geomat is malleable enough to follow a changing subgrade and easy to install, and is used for roadbed and railway slopes, sea-coast and river-bank protection, channel linings and general slope protection and erosion control.
A 3D reinforced geomat is a three-dimensional polypropylene mesh mat composited with galvanized steel wire mesh, built specifically for erosion control. The open three-dimensional structure leaves enough space to keep topsoil in place and let grass root and grow through the mat, so the surface is locked down while it vegetates. As an erosion control geomat it works on roadbeds, railways, slopes, river banks, sea coasts and channels — anywhere a face needs to be held against rain and flow while it greens.
The mat is made by laying a three-dimensional polypropylene mesh matrix and compositing it with a steel wire mesh; the steel is galvanized so that, buried in the slope, it resists corrosion over the life of the works. The PP matrix gives the open structure that holds soil and lets grass through, while the wire mesh gives the tensile backbone. Because the two are bonded together, the finished 3d geomat behaves as one reinforcement layer rather than a loose mesh laid over a mat.
For geomat erosion control on steeper or more exposed faces, the galvanized steel wire mesh laminated into the 3D geomat adds tensile reinforcement, so the mat both restrains the soil and strengthens the slope. The matrix is malleable enough to follow a changing subgrade, and it installs quickly by pinning to the prepared face and filling with topsoil and seed. Once the grass establishes, the roots, soil and 3D reinforced geomat knit into a single erosion-resistant layer.
The mat is rolled down the prepared slope face, anchored at the crest and pinned to the face so it stays in contact with the changing subgrade, then filled with topsoil and seeded. Because the polypropylene matrix is malleable it conforms to an irregular surface without bridging, and because it installs by pinning and filling it goes down quickly with no specialist plant. As the seed germinates, grass roots grow down through the open structure and bind the soil, the mat and the slope together.
The geomat suits highway and railway roadbed slope protection, river-bank and embankment erosion control, sea-coast slope protection, channel and ditch lining protection, and general vegetated slope stabilization. In each case it delivers immediate cover against rain and flow and then a permanent, living slope once the grass establishes — combining drainage-friendly cover with reinforcement on the same face.
Because there is no single public statutory standard for 3D geomats, SIGMA mat thickness, mass per unit area and tensile strength are confirmed against production data — never guessed. For a cellular confinement alternative that holds infill on harsher faces see our gravel grid, for a vegetated soft-armour wall see our geobag, and for a hard concrete face on the most exposed slopes see our concrete blanket. Browse the full erosion control range for related products.
3D reinforced geomat — manufacturer specification. No single public statutory standard governs 3D reinforced geomats; numeric values to be supplied from SIGMA production data.
| Property | Value | Notes |
|---|---|---|
| Matrix material | Polypropylene (PP) three-dimensional mesh | — |
| Reinforcement | Galvanized steel wire mesh composite | — |
| Structure | Open 3D matrix — holds soil, lets grass root through | — |
| Color | Black / green | — |
| Mat thickness | On request | — |
| Mass per unit area | On request | g/m² |
| Tensile strength (MD / CMD) | On request | quote test method |
| Wire mesh gauge / aperture | On request | galvanized steel |
| Roll size (width × length) | On request | supplied in rolls |
It is an erosion control geomat used to protect and green slopes — highway and railway roadbeds, river banks, embankments, sea-coast slopes and channel linings. The three-dimensional matrix holds topsoil and seed in place so grass can root through it, while the steel wire mesh reinforces the slope.
The open three-dimensional structure leaves space that traps topsoil and seed against rain and flow, and grass roots grow down through the mat. As the vegetation establishes, the roots, soil and geomat lock together into a single erosion-resistant layer — combining immediate erosion control with permanent, living slope protection.
The galvanized steel wire mesh composited into the geomat adds tensile reinforcement, so on steeper or more exposed faces the mat does more than hold soil — it strengthens the slope itself. The mat stays malleable enough to conform to an irregular, changing subgrade.
Mat thickness, mass per unit area and tensile strength vary by grade, and there is no single public standard for 3D geomats. We confirm thickness, weight, tensile strength and wire-mesh details from SIGMA datasheet for your slope and erosion exposure — tell us the application and slope angle.
Price depends on the mat thickness and mass per unit area, the wire-mesh gauge and aperture, the roll size and the order quantity. Because the mat is built to your specification rather than to a single public standard, send us the slope area, the slope angle and the erosion exposure, and we will quote a unit price per square metre or per roll.
The geomat is made to order from a PP matrix composited with galvanized steel wire mesh, so a minimum order quantity applies and varies with the mat grade and wire mesh. Tell us the slope area you need to cover and we will confirm the MOQ together with the lead time.
Lead time depends on the mat thickness and grade, the wire-mesh specification and the order size. Once we confirm the thickness, mass per area, tensile strength and wire-mesh details against SIGMA production data, we will give you a firm production and shipping schedule.
The mat is supplied in rolls. Because it carries a galvanized steel wire mesh it is heavier than a plain mesh mat, so we confirm the roll size and weight from SIGMA production data and advise how many rolls fit a pallet or container for your order — send us the area and the destination port so you can plan freight.
Tell us quantity, destination port, and any questions — we reply within one business day.
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