Product Description
The 7/8″ (22.2mm) solid fiberglass rod is a pultruded E-glass/reinforced-polymer rod used for fence posts, property boundary markers, and light structural supports. It does not rot like wood or rust like steel, making it suitable for outdoor, wet, and chemically exposed environments.
Technical Specifications
| Feature | Specification |
|---|---|
| Diameter | 7/8 inch (22.2 mm) |
| Standard Lengths | 48″, 60″, 66″, 72″ |
| Weight | 0.82 lb/ft (1.22 kg/m) |
| Tensile Strength | 90,000-115,000 psi (620-793 MPa) |
| Modulus of Elasticity | 7,200,000 psi (49.6 GPa) |
| Maximum Working Load | Up to 27,000 lb (12,247 kg) for 1″ rods |
| Maximum Temperature | Standard: 185F (85C) / High-temp: 285F (140C) |
| Material | E-glass fiberglass with resin |
| Corrosion Resistance | Resistant to rot, rust, and many chemicals |
| Pre-drilled Options | Every 2″ for wire installation |
| Warranty | 25 years |
Working loads depend on end conditions, span, and safety factor. Consult engineering guidance for structural applications.
Applications & Use Cases
Fencing Applications
- Farm Fencing: Suitable for containing livestock such as cattle, horses, and sheep.
- Property Boundaries: Maintains straight lines and tension.
- Snow Areas: More flexible than wood and does not absorb moisture that can cause rot.
Building & Construction
- Support Structures: Lightweight bracing for temporary or permanent structures.
- Near Electrical Equipment: Non-conductive, suitable for electrically sensitive areas.
- Wet Environments: Does not rust in moist or marine settings.
Special Uses
- Marine Applications: Suitable for saltwater environments where metals corrode.
- Chemical Plants: Resistant to many common industrial chemicals.
- High-Wind Areas: Flexible response to wind loads; secure installation is important.
Benefits
- Long Service Life: Does not rot or rust, which can extend service life compared with wood or steel in harsh environments.
- Cost Over Time: Higher initial cost may be offset by reduced replacement and maintenance in suitable applications.
- Easy Installation: Can be cut with a hacksaw and installed with standard tools.
- Low Maintenance: Does not require painting, staining, or coating for corrosion protection.
- Safer Handling: No rust, no splinters when properly finished, and non-conductive.
Frequently Asked Questions
How do I install these fiberglass rods as fence posts?
Dig a hole about 24″ deep, place the rod, and backfill with soil or gravel. For extra stability in soft ground, use quick-setting concrete around the base.
Can I cut these rods to different lengths?
Yes, they can be cut with a hacksaw, circular saw, or angle grinder. Wear a dust mask and gloves when cutting to avoid fiberglass dust exposure.
How much weight can a 7/8″ fiberglass rod support?
Load capacity depends on span, end conditions, and safety factor. The 1″ rod specification of up to 27,000 lb is not directly scalable to 7/8″. Contact our engineering team for load guidance.
Will these rods fade or degrade in sunlight?
UV inhibitors help reduce sun damage. Some surface fading may occur over time; structural performance depends on UV exposure level and formulation.
How do they perform in extreme temperatures?
Standard rods are rated up to 185F (85C). High-temperature versions are available rated to 285F (140C). Select the grade that matches your operating environment.
Are these rods better than metal T-posts?
They offer advantages in corrosion resistance, weight, and electrical non-conductivity. Whether they are the better choice depends on soil conditions, load requirements, and budget.
Customer Tip: For fence applications, pre-drilled rods with holes every 2 inches can simplify wire installation.
Request a Project Quote
Contact IncomePultrusion for specifications, lead times, and competitive B2B pricing tailored to your application.
Full range: see the complete pultruded fiberglass rod diameter table (1.5–51 mm) for sizing and properties.
