Product Overview
Fiberglass I beam, also known as FRP I beam, GRP I beam, or pultruded fiberglass I beam, is manufactured from fiberglass reinforced plastic for stable structural performance in demanding industrial environments. It is a practical choice for platforms, support frames, walkways, cable structures, equipment bases, and custom fabrication projects.
Main Applications

- structural frames and support systems
- industrial platforms and walkways
- cable support structures
- equipment bases and machine support frames
- marine and coastal installations
- chemical processing facilities
- wastewater treatment plants
- outdoor and humid environments
- custom fabrication for industrial structures
For buyers searching for fiberglass I beam for structural support, corrosion resistant FRP beam, or non-metal structural beam, this profile offers a practical alternative to steel.
Material and Construction
Fiberglass I beam is produced from fiberglass reinforcement combined with a resin system selected for the intended service environment. The I-shaped profile is engineered to provide structural efficiency, good load distribution, and long-term resistance to corrosion.
Common characteristics include:
- I-shaped structural profile
- non-metallic construction
- corrosion-resistant surface
- lightweight compared with steel
- customizable resin system
- customizable color and finish
- suitable for cutting, drilling, bonding, and assembly
The exact depth, flange width, web thickness, length, resin type, and finish should be selected according to load requirements, span conditions, and environmental exposure.
Key Advantages
Corrosion resistance
Suitable for wet, salty, acidic, alkaline, and chemically aggressive environments.
Structural efficiency
The I-beam geometry is well suited for load-bearing support applications.
Lightweight handling
Easier to transport and install than many metal alternatives.
Electrical insulation
Useful in applications where a non-conductive structural member is preferred.
Low maintenance
FRP does not rust, which helps reduce repainting and replacement costs.
Easy fabrication
Can be cut, drilled, and assembled into project-specific systems.
Technical Specifications
| Item | Specification |
|---|---|
| Product Name | Fiberglass I Beam |
| Common Names | FRP I Beam, GRP I Beam, Pultruded Fiberglass I Beam |
| Material | Fiberglass Reinforced Plastic (FRP / GRP) |
| Profile Type | I-shaped structural beam |
| Main Function | Structural support and fabrication |
| Surface Finish | Smooth, corrosion-resistant finish |
| Depth | Customizable |
| Flange Width | Customizable |
| Web Thickness | Customizable |
| Length | Customizable |
| Color | Customizable |
| Resin System | Customizable according to application |
| Processing | Cut, drill, bond, or mechanically fix |
| Application | Platforms, walkways, frames, supports, and custom structures |
| Environment | Indoor, outdoor, humid, coastal, and corrosive areas |
Product Aliases
- fiberglass I beam
- FRP I beam
- GRP I beam
- pultruded fiberglass I beam
- fiberglass H beam
- structural fiberglass beam
- non-metal structural beam
- corrosion resistant beam
- fiberglass support beam
- industrial FRP beam













