Phenolic FRP grating uses a phenolic resin system instead of standard polyester or vinyl ester, giving it fire-rated performance with low smoke emission and low toxicity — critical for enclosed spaces like tunnels, offshore accommodation modules, and subway ventilation shafts.
FRP Grating
Steel grating in a chemical plant or offshore platform follows a predictable cycle: install, corrode, replace. FRP grating interrupts that cycle by combining corrosion immunity with a high strength-to-weight ratio that also cuts installation labor and structural dead load.
Quick Selection — FRP Grating
| Application Scenario | Recommended Product Series | Key Consideration |
|---|---|---|
| Chemical plants, plating shops, pickling lines | Molded Grating | Maximum corrosion resistance, bidirectional strength |
| Long-span walkways, cable tray covers | Pultruded Grating | High unidirectional stiffness, lighter weight |
| Pedestrian bridges, public access areas | Mini-Mesh Grating | Small openings, heel-proof, ADA-compliant |
| Food processing, battery rooms, clean areas | Covered Grating | Solid top surface, contains spills |
| Heavy vehicle traffic, truck loading zones | Heavy-Duty Grating | Deep bearing bars, high load capacity |
| Fire-prone zones, tunnels, offshore living quarters | Phenolic Grating | Fire-rated, low smoke, low toxicity |
FRP Grating Range
Each product page provides detailed design and performance information for its specific grating type.
Heavy-duty FRP grating increases bearing bar depth to handle forklift traffic, truck loading zones, and heavy equipment access areas without the dead weight of equivalent steel grating. The deeper section maintains stiffness under concentrated wheel loads while keeping the overall panel weight manageable for manual handling.
Covered FRP grating bonds a solid FRP top plate to a grating panel, creating a walking surface that contains spills and prevents debris from falling through. Food processing rooms, battery storage areas, and clean manufacturing spaces use this design to meet hygiene and containment requirements.
Mini-mesh FRP grating reduces the open area between bearing bars to create a heel-proof, wheelchair-accessible walking surface that still drains water and resists corrosion. Public pedestrian bridges, pier walkways, and amusement park platforms specify this type for both safety compliance and longevity.
Pultruded FRP grating uses parallel, resin-saturated glass fiber bundles pulled through a heated die to form high-stiffness bearing bars. The unidirectional fiber alignment delivers superior span capability at lower weight, making it the preferred choice for long walkways and cable tray covers where dead load matters.
Molded FRP grating is formed by layering continuous glass fiber strands in a thermosetting resin matrix within a steel mold, creating a one-piece panel with bidirectional load capacity. It is the workhorse grating for chemical plants, electroplating shops, and pickling lines where the chemical environment destroys metal grating within months.
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