Looking for a guide? This page lists our FRP decking and flooring products. For platform design guidance, load tables, and walkway comparisons, see the FRP walkway platform decking guide.
FRP Decking and Flooring: Industrial Composite Walking Surfaces
Industrial decking and flooring must support foot traffic, equipment loads, and environmental exposure over long service periods with minimal maintenance. Wood decking rots, splinters, and requires chemical preservatives. Steel plate corrodes and needs protective coatings. FRP decking combines high specific strength, corrosion resistance, and design flexibility, making it suitable for platforms, walkways, bridges, cooling towers, and chemical plant accessways.
IncomePultrusion supplies FRP decking and flooring products including pultruded solid deck panels, molded and pultruded grating, and structural support profiles. Panels can be manufactured with anti-slip surfaces, custom colors, fire-retardant formulations, and UV-stabilized resin systems.
Decking Types and Surface Configurations
Three main product categories cover most industrial flooring requirements.
- Solid pultruded deck panels. Flat or ribbed panels provide a continuous walking surface with high stiffness. Ribbed profiles increase section modulus and are suitable for equipment platforms, bridge decks, and areas with rolling loads.
- Anti-slip pultruded decking. Panels are manufactured with embedded aluminum oxide grit or raised geometric patterns to maintain traction in wet, oily, or icy conditions. Texture options include fine, medium, and coarse grit.
- Open grating. Molded or pultruded grating allows drainage, ventilation, and light transmission while supporting pedestrian and light equipment loads. Load tables for grating products are available on our FRP grating page.
Edge treatments, nosing strips, and drainage slots can be added to improve safety and integration with adjacent structures.
Key Specifications and Dimensions
Pultruded FRP deck panels are supplied in dimensions selected for common industrial spans and loads.
- Panel thickness. 25 mm, 38 mm, 50 mm, and 63 mm (1 in, 1.5 in, 2 in, and 2.5 in). Thicker panels increase span capability and point-load resistance.
- Panel widths. Common widths range from 300 mm to 1,200 mm (12 in to 48 in).
- Standard lengths. 3 m, 6 m, and custom cut-to-length depending on profile complexity.
- Support spans. Typical pedestrian spans range from 0.6 m to 1.5 m for standard panels; engineering review is required for vehicle or concentrated loads.
- Surface finish. Smooth, gritted, or concave options are available.
Grating products follow separate sizing conventions based on panel thickness, bar height, mesh size, and resin system.
Material and Resin Options
Resin selection balances chemical resistance, mechanical properties, fire performance, and cost.
- Orthophthalic polyester. General-purpose resin for indoor or sheltered applications with limited chemical exposure.
- Isophthalic polyester. Improved chemical resistance and weathering for industrial walkways, cooling towers, and outdoor platforms.
- Vinyl ester. High chemical resistance, recommended for chemical plants, marine environments, and wastewater facilities.
- Fire-retardant resins. Formulated to meet ASTM E84 Class 1 flame spread and low smoke requirements.
- UV inhibitors and pigments. Protect outdoor decking from surface chalking and color fading. Standard colors include gray, yellow, green, and custom matches.
Glass fiber content typically ranges from 35% to 50% by weight, with continuous rovings providing longitudinal strength and mat layers adding transverse and impact resistance.
Performance Properties
FRP decking is selected based on mechanical performance, durability, and safety characteristics.
- Corrosion resistance. Vinyl ester and isophthalic polyester resins resist saltwater, many industrial chemicals, and moisture without protective coatings.
- High strength-to-weight ratio. Pultruded deck panels typically weigh 60% to 80% less than steel plate of comparable load capacity.
- Slip resistance. Gritted surfaces maintain traction in wet or oily conditions. Wet coefficient of friction can exceed 0.6 when tested in accordance with ASTM F609.
- UV stability. UV inhibitors and surface veils prevent surface chalking and glass fiber exposure.
- Fire rating. Fire-retardant formulations can achieve ASTM E84 Class 1 flame spread ratings.
- Low thermal conductivity. FRP decking remains comfortable to walk on in temperature extremes and reduces thermal bridging.
Relevant Standards
The following standards are commonly referenced for FRP decking and flooring:
- ASTM D635. Rate of burning and extent of burning of self-supporting plastics.
- ASTM E84. Surface burning characteristics, including flame spread index and smoke developed index.
- ASTM F609. Test method for measuring static coefficient of friction of walking surfaces.
- ASTM D7263. Test methods for direct tension and compression of FRP pultruded shapes.
- EN 13706. Reinforced plastics composites, specifications for pultruded profiles.
- ISO 14122. Safety of machinery, permanent means of access, including walking surface requirements.
Applications by Industry
FRP decking is used in environments where traditional materials require frequent replacement or maintenance.
- Marine docks and piers. Saltwater and freeze-thaw cycles damage wood and steel decking.
- Boardwalks and pedestrian bridges. Anti-slip surfaces and long-term durability suit public access structures.
- Cooling towers. Wet/dry cycling and biological growth attack wood and coated steel.
- Chemical plant platforms. Spills, vapors, and cleaning agents degrade metal decking.
- Offshore platforms. Lightweight decking reduces module weight while resisting salt spray and hydrocarbon exposure.
- Water treatment facilities. Chlorine, ozone, and humidity do not degrade FRP as they do coated steel or timber.
Installation and Fastening Notes
Proper support and fastening are necessary to achieve the design span and prevent galvanic corrosion.
- Support structure. Panels are supported by steel or FRP beams. Support spacing follows manufacturer load tables.
- Fasteners and clips. Use FRP clips, stainless steel, or galvanized fasteners compatible with the decking material. Avoid plain carbon steel fasteners in corrosive areas.
- Thermal expansion. FRP has a higher coefficient of thermal expansion than steel. Expansion joints or slotted fastener holes should be detailed for long runs.
- Field cutting. Cuts should be sealed with compatible resin to protect exposed fibers.
- Grating panels. Molded grating panels should be clipped at support points to prevent uplift and lateral movement.
Decking Material Comparison
| Property | FRP Decking | Steel Plate | Treated Timber |
|---|---|---|---|
| Weight | 60%–80% lighter than steel | Baseline | Similar to FRP per volume |
| Corrosion resistance | High; no coatings needed | Requires protective coatings | Susceptible to rot and insects |
| Slip resistance | High with gritted surface | Poor unless treated | Variable |
| Fire rating | Class 1 available | Non-combustible | Combustible; may require treatment |
| Maintenance | Low; cleaning only | Inspections and recoating | Preservative treatment and replacement |
| Electrical properties | Non-conductive | Conductive | Non-conductive when dry |
Frequently Asked Questions About FRP Decking
Is FRP decking slippery when wet?
No, when manufactured with a gritted or textured surface. Wet coefficient of friction typically exceeds 0.6, meeting common safety guidelines for industrial walking surfaces.
How is FRP decking supported?
Panels are supported by steel or FRP beams and fastened with FRP or stainless clips to avoid galvanic corrosion. Span and fastener spacing follow manufacturer load tables.
Can FRP decking support vehicle traffic?
Standard FRP decking is designed for pedestrian and light equipment loads. Heavy vehicle loads require thicker panels, pultruded grating, or engineering review.
Does FRP decking require painting or sealing?
No. The color and UV protection are integral to the resin system. Periodic cleaning is usually sufficient. Field-cut edges should be sealed.
What is the difference between solid decking and grating?
Solid decking provides a continuous surface suitable for rolling loads and areas where dropped objects are a concern. Grating has open areas for drainage and ventilation and is lighter but less suited to small-wheeled equipment.
Request a Quote for FRP Decking and Flooring
Submit your platform dimensions, design loads, surface finish preference, environmental exposure, and resin requirement for a decking quotation. We can recommend panel type, span, and fastening details. Browse related products on the FRP pultruded profile, FRP grating, FRP walkway platform decking, and FRP fasteners pages, or contact us for a quote.