Product Overview
Our 40 x 500 mm FRP (Fiber Reinforced Polymer) Heavy Duty Planks are engineered for structural walkways, platforms, and decking. These planks combine glass fiber reinforcement with thermoset polymer resins to form strong, corrosion-resistant structural elements used in infrastructure and industrial environments.
Technical Specifications
| Property | Specification |
|---|---|
| Dimensions | 40 mm height × 500 mm width |
| Weight | 22.4 kg/m² |
| Surface area | 6,238 mm² |
| Moment of inertia | 2,705,284 mm⁴ |
| Section modulus | 82,078 mm³ |
| Elasticity modulus | 31,443 N/mm² |
| Bending stress | 366 N/mm² |
| Shear stress | 52.2 N/mm² |
| Standard colors | Gray, Yellow, Green (custom colors available) |
| Standard lengths | 2m, 3m, 4m (custom lengths available) |
Core Benefits of 40 × 500 mm FRP Planks
Strength-to-Weight Ratio
These planks deliver high load-bearing capacity for their weight, which can reduce handling and installation requirements compared with heavier materials in similar structural roles.
Excellent Chemical Resistance
The advanced polymer composition resists deterioration from exposure to:
- Salt water and marine environments
- Industrial chemicals and acids
- Petroleum products
- Wastewater and treatment chemicals
Weather Durability
Our FRP planks are designed to maintain structural integrity across a wide service-temperature range:
- Extreme temperature fluctuations (-40°C to +80°C)
- High humidity environments
- UV exposure (with appropriate resin/coating)
- Freeze-thaw cycling
Low Maintenance Requirements
Compared with coated steel or concrete, these planks typically require less maintenance because they do not rust:
- Do not rust or corrode
- Require no painting or protective coatings
- Need minimal cleaning to maintain performance
- Resist biological growth with appropriate surface finish
Load Capacity Performance
Our 40 × 500 mm FRP planks are specifically engineered to handle:
| Span Length | Uniform Load Capacity | Point Load Capacity |
|---|---|---|
| 1000 mm | 7.5 kN/m² | 3.0 kN |
| 1500 mm | 5.0 kN/m² | 2.0 kN |
| 2000 mm | 3.0 kN/m² | 1.5 kN |
Note: Load capacities assume standard installation methods with appropriate supports. Consult our engineering team for specific load calculations for your application.
Primary Applications
Pedestrian and Cycling Infrastructure
- Footbridges and cycle path bridges
- Viewing platforms and observation decks
- Boardwalks and coastal walkways
Industrial Facilities
- Chemical plant walkways and platforms
- Manufacturing facility flooring
- Equipment access platforms
- Maintenance walkways
Water Treatment Infrastructure
- Cooling tower decking
- Wastewater treatment plant walkways
- Odor control covers
- Channel covers and access platforms
Marine Environments
- Marina decking
- Offshore platform components
- Coastal structures
- Port facility walkways
Installation Guidelines
Our 40 × 500 mm FRP planks are designed for straightforward installation:
- Support spacing: Optimal performance with supports at 1000-1500mm intervals
- Fastening: Compatible with stainless steel bolts, self-tapping screws, and specialized FRP fasteners
- Cutting: Can be modified on-site using standard woodworking tools with diamond-tipped blades
- Edge treatment: Cut edges should be sealed with our polymer resin sealer (available separately)
Frequently Asked Questions
How do these FRP planks compare to traditional materials for the same application?
These 40 × 500 mm FRP planks offer corrosion resistance in many environments where steel requires protective coatings, and they weigh less than concrete alternatives for equivalent load capacity. Specific performance should be confirmed for your application.
What is the typical lifespan of these FRP planks?
Service life depends on resin system, environment, and loading. Contact our team for project-specific durability guidance.
Are these FRP planks environmentally friendly?
Environmental benefits depend on the application. Their lighter weight can reduce transport fuel use, and their corrosion resistance can reduce replacement frequency compared with steel in aggressive environments.
How quickly can these planks be installed compared to traditional materials?
Installation is usually faster than cast-in-place concrete because the planks are pre-formed and lighter than steel or concrete alternatives, reducing crane and handling requirements.
What load rating certifications do these planks have?
Request current test reports and certifications to confirm compliance with project specifications.
Ordering Information
These FRP Heavy Duty Planks (40 × 500 mm) are manufactured to order for project quantities.
Explore related pultruded FRP profiles, FRP rebar, pultrusion machines, and pultrusion dies for your composite project.
For vehicular bridge spans, see the ultra duty planks for bridge decks.
Request a Quote for FRP Heavy Duty Planks 40 x 500 mm
Need FRP Heavy Duty Planks 40 x 500 mm for your project? Contact us for a quote to discuss specifications, lead time, and pricing.





