Composite grating instead of steel

Moulded grating made of glass fibre and resin: rust-free, non-conductive and up to 70% lighter than steel.

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Product families

All made from the same material: glass fibre reinforced polyester. Mesh size, height and surface vary with the application.

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  • Grey moulded composite grating module, 38×38 mm mesh, 25 mm high

    Moulded grating 38×38

    Our main product. Square mesh in five heights, for platforms, walkways and channel covers.

    Height
    H25, H30, H38, H50, H58
    Open area
    68% to 74%
    Panel
    1000×4040 mm
    Moulded grating sizes
  • Mini mesh composite grating module, fine 19×19 mm mesh, 38 mm high

    Mini mesh 19×19

    Fine-mesh top surface: 19×19 mm mesh on top, 38×38 mm below.

    Height
    H30, H38
    Open area
    42% to 44%
    Panel
    1000×4040 mm
    Mini mesh sizes
  • Stacked brown composite stair treads with gritted surface

    Stair treads

    Cut to size from moulded grating. A gritted nosing prevents slipping at the front edge of the tread.

    Nosing
    Gritted, anti-slip
    Size
    Cut to project
    Tread details
  • Terrace deck and steps made of light grey composite grating, with a timber railing

    Platforms and walkways

    Panels are fixed to the structure with M-type clips and can be cut on site with a circular saw.

    Fixing
    M-type clip
    Cutting on site
    Circular saw
    Platform details
  • Grey composite grating cover laid over a channel with a loaded forklift driving across

    Drainage channel gratings

    Grating covers for channels. The load class is selected with reference to the EN 124 classes, according to the location of use.

    Classification
    EN 124 load classes
    Colour
    On request
    Drainage grating details

  • Surfaces, colours and load table on one page

    Four surface types, five colours and approximate load values by span.

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Why composite, not steel?

The same four questions, two materials. Use the switch to compare steel grating with composite grating.

Balance: the steel grating pan is down, the composite grating pan is up. Composite grating is up to 70% lighter than steel. Steel Composite, up to 70% lighter

  • Corrosion

    Steel gratingCorrosion resistance is moderate for galvanised steel and low for ductile iron.

    Composite gratingDoes not rust. Resistant to acids, alkalis and salt water.

  • Weight and installation

    Steel gratingHeavy panels mean more work in transport and installation.

    Composite gratingUp to 70% lighter than steel. Installation without a crane, lower transport costs.

  • Electricity

    Steel gratingConducts electricity.

    Composite gratingNon-conductive and non-magnetic. Suitable for substations and energy facilities.

  • Maintenance and security

    Steel gratingNeeds painting and regular inspection. Has scrap value, so it can be stolen.

    Composite gratingNeeds no painting or regular inspection. No scrap value, so no risk of theft.

For wet, chemical and electrical environments

The main areas where composite grating is used. Tell us about your project environment and we will choose the right model together.

Yellow composite handrails and walkways above treatment plant basins

Treatment plants

Walkways and handrails over basins; no rust despite constant moisture.

Industrial platform and stairs with yellow composite handrails and grey grating floor

Chemical and petrochemical

Acid- and alkali-resistant platforms and walkways.

Indoor walkway platform with white composite handrails and grey composite grating floor

Food and beverage plants

A rust-free, anti-slip surface for wet floors that are washed frequently.

Blue cooling tower, green pipes and yellow platform stairs

Energy and cooling towers

Non-conductive platforms and stairs.

Ship and yellow cranes at a shipyard

Marinas, ports and shipyards

Walking surfaces resistant to salt water.

Grey composite grating service walkway running alongside a railway line

Rail systems and substations

Insulating, non-magnetic platforms.

Grey grating jetty over water with steps and handrails

Pools and jetties

A rust-free, anti-slip surface over water.

Balconies with yellow grating panels on a building facade

Architecture and facades

Balcony and facade applications with smooth-surface panels.

  • Treatment plants
  • Chemical and petrochemical
  • Food and beverage plants
  • Energy and cooling towers
  • Marinas, ports and shipyards
  • Rail systems and substations
  • Pools and jetties
  • Architecture and facades

Choose the mesh size

Three mesh types, eight models. See the scaled texture, technical drawing and values for the mesh you choose.

Mesh size
Mesh
38×38 mm square mesh
Height
H25, H30, H38, H50, H58
Bar top / bottom
6.5 / 5 mm (H25, H30, H38); 11 / 8 mm (H50); 11 / 9 mm (H58)
Open area
68% (H25, H30, H38); 74% (H50, H58)
Weight
~12.5 kg/m² (H25) to ~42 kg/m² (H58)
Standard panel
1000×4040 mm; for H38 also 1220×3660 and 1000×3000 mm
Mesh
50×50 mm square mesh
Height
H50
Bar top / bottom
9 / 7 mm
Open area
72%
Weight
~23.5 kg/m²
Standard panel
1220×3660 mm
Mesh
Mini mesh, 19×19 mm mesh on top, 38×38 mm below
Height
H30, H38
Bar top / bottom
6.5 / 5 mm
Open area
42% (H30), 44% (H38)
Weight
~18.5 kg/m² (H30), ~21 kg/m² (H38)
Standard panel
1000×4040 mm
Dimensioned technical drawing of a moulded grating module, 38×38 mm mesh, 38 mm high Dimensioned technical drawing of a moulded grating module, 50×50 mm mesh, 50 mm high Dimensioned technical drawing of a mini mesh grating module, 19×19 mm mesh, 38 mm high

The texture on the left is to scale: mesh and bar thickness in true proportion. Dimensioned drawing of the module.

38×38 mesh models

38×38 mesh models
ModelBar top / bottom (mm)Open areaWeightStandard panel (mm)
38×38 H256.5 / 568%~12.5 kg/m²1000×4040
38×38 H306.5 / 568%~14 kg/m²1000×4040
38×38 H386.5 / 568%~18.5 kg/m²1220×3660, 1000×3000, 1000×4040
38×38 H5011 / 874%~36 kg/m²1000×4040
38×38 H5811 / 974%~42 kg/m²1000×4040

50×50 and mini mesh models

50×50 and mini mesh models
ModelBar top / bottom (mm)Open areaWeightStandard panel (mm)
50×50 H509 / 772%~23.5 kg/m²1220×3660
19×19 H306.5 / 542%~18.5 kg/m²1000×4040
19×19 H386.5 / 544%~21 kg/m²1000×4040

On mini mesh models the top mesh is 19×19 mm and the bottom mesh 38×38 mm. Values are approximate.

Open the technical table Which grating is right for you?

Six steps from resin and glass fibre to panel

Moulded grating is formed by combining glass fibre with resin in a mould and curing it under heat and pressure.

Tall stacks of grey composite grating panels on pallets in the production hall

  1. Raw material preparation

    Polyester resin, glass fibre, fillers and additives are prepared.

  2. Mould preparation

    The mould for the model to be produced is prepared.

  3. Fibre placement

    Glass fibre is laid into the mould in layers and combined with resin.

  4. Polymerisation

    The panel is cured under heat and pressure.

  5. Cutting and shaping

    The panel is cut to size, shaped and edge-finished.

  6. Surface finishing and quality control

    A gritted, concave or smooth surface finish is applied; the panel passes quality control.

Introductory video. It loads from YouTube when you play it.

Grey composite grating panels stacked on the factory floor, square mesh in close-up

From the plant and the field

Panels made in our own plant, and the same panels installed on site.

Grey moulded grating panels stacked on the factory floor, pallets behind

Grey panels stacked in the plant.

Yellow moulded composite grating panel, square mesh in close-up

Moulded grating in yellow.

Footbridge with steel railings and a grey composite grating deck

Grey grating deck on a footbridge.

Frequently asked questions

Short answers about mesh size, surfaces, installation, colours and technical documents.

Which mesh sizes are available?

38×38 mm mesh comes in heights H25, H30, H38, H50 and H58; 50×50 mm mesh in H50; 19×19 mini mesh in H30 and H38. On mini mesh the top mesh is 19×19 mm and the bottom mesh 38×38 mm.

Which surface options are available?

There are four surface types: the standard concave surface, a gritted surface for extra slip resistance, a sanded smooth surface for decorative and facade applications, and a covered surface bonded to a flat plate.

How does composite grating differ from steel grating?

It does not rust and resists acids, alkalis and salt water. It is non-conductive and non-magnetic. It is up to 70% lighter than steel and needs no painting or regular inspection. With no scrap value, it carries no risk of theft.

How are panels cut and fixed?

Panels are cut to size on site with a circular saw and fixed to the supporting structure with M-type fixing clips. Installation does not require a crane.

Which colours are available?

Black, grey, yellow, green and blue. Other colours on request.

How is the load rating determined, and how do I get technical documents?

The point load and uniformly distributed load values in the load table are approximate for each span; the exact value is calculated for each project. Send us your span and load conditions. Contact us for technical documents and certificates.

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Send us the sizes and we will prepare the quote

Product type, mesh size and approximate quantity or square metres are enough. Fill in the form or call us directly.

Head office

Eskişehir Organize Sanayi Bölgesi, 2005. Cadde No:20, Odunpazarı / Eskişehir

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