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6 Foot Fiberglass Crossarm | 5 in x 5 in x 6 ft | Hardware Included | Fits 5 to 9 in Diameter Poles

SKU: LLS-WG-CP-CROSSARM-5x5x6-9D | Web ID: 2506
Starting at: $653.33
Minimum Order: 2
Availability: 12 In Stock Ships 7-14 Days
Get your quote within 1 hour!

This 6 foot fiberglass crossarm is a strong choice for supporting lighting or utility equipment on fiberglass or wood poles up to 9 inches in diameter, especially in environments where corrosion, electrical conductivity, or maintenance are concerns. Its high-strength FRP construction resists rot, rust, and corrosion, while the non-conductive and fire-resistant properties enhance safety in utility and lighting applications. The crossarm's ability to flex and return to shape under wind load is valuable for outdoor installations in commercial, industrial, or sports facilities.

Dwayne Kula | President, CTO and Founder

Product Description

Fire Rated Pole - Engineered for Flame Resistance in High-Risk ZonesWind Rated Pole - Designed to Withstand High Wind Loads7 Year Unlimited Usage Warranty

Key Features

  • Material: Fiberglass
  • Pole Color: Bronze | Black | White | Gray | Custom
  • Length: 6 feet
  • Width: 5 inches
  • Height: 5 inches
  • Max Pole Diameter: 9 inches
  • Max Pole Circumference: 28.25 inches
  • Threaded Rod: 12 in x 3/4 in
  • Weight: 25 lbs
  • Brackets: Included
  • Warranty: 7 years

6 Foot fiberglass crossarms include galvanized connection hardware and end caps. They are available in bronze, black, white or grey. Built with high strength FRP these crossarms are designed to attach to fiberglass or wood poles with a diameter of up to 9 inches.

Durable Construction

  • Lightweight, easier to unload and install saving on labor costs
  • Does not rot, rust, or corrode.
  • Non-conductive
  • Does not break down with age, coated in 25-year UV protective paint
  • Stronger than equivalent steel in compression and tension, providing excellent durability and longevity in high wind conditions
  • Designed to bend, not break, meaning that poles can naturally bend due to weather conditions and will return to their original form
  • Fire resistance: poles do not sustain a flame as there is no fuel source for fire
  • Color selection: Bronze, Black White or Grey

Product Includes

[1] Crossarm Bracket

[2] 12 in x 3/4 in threaded rods for attaching bracket to pole

[2] 6 3/8 in x 3/4 in bolts for attaching crossarm to bracket

[2] End Caps


Delivery is made with a flatbed truck and the customer is responsible for offloading. Offloading requires a fork lift or appropriate similar vehicle to offload - customer supplied. Customers are responsible for any costs associated with delivery rescheduling because of improper scheduling or not having the proper offloading equipment or area to store poles available at the time of delivery. Please contact a sales representative prior to purchasing to ensure all the project details are clear.

Pricing: Does not include cost of shipping. Shipping is available to the lower 48 USA states. We can supply a budgetary shipping quote or a firm shipping quote that is good for 14 days.


Web ID: 2506

Product Overview

This is a 6 foot fiberglass crossarm designed for use with fiberglass or wood poles up to 9 inches in diameter. The crossarm measures 5 inches wide and 5 inches high, with a total weight of 25 lbs. It is available in bronze, black, white, gray, or custom colors.

The crossarm is constructed from high strength FRP (fiberglass reinforced plastic) and includes galvanized connection hardware and end caps. Brackets are included for secure attachment to the pole.

The surface is coated in a 25-year UV protective paint. The crossarm is non-conductive and does not rot, rust, or corrode. It is designed to bend under load and return to its original form, providing durability in high wind conditions.

Fire resistance is inherent to the material, as the crossarm does not sustain a flame. The product is supplied with all necessary mounting hardware for installation.

Where This Product Fits Best

This fiberglass crossarm is suitable for outdoor and indoor applications where non-conductive, corrosion-resistant, and lightweight support is required. It is commonly used in environments where exposure to weather, moisture, or chemicals would degrade metal or wood alternatives.

The crossarm is appropriate for use on fiberglass or wood poles with diameters up to 9 inches and circumferences up to 28.25 inches. It is often selected for sites where electrical isolation is important or where long-term durability is needed without ongoing maintenance.

Color options allow for visual integration with existing site aesthetics or compliance with facility standards. The crossarm is designed for use in areas subject to high winds or where pole flexing is expected.

Applications include lighting, utility, and support structures in commercial, industrial, and sports facility settings.

Performance and Functional Considerations

The fiberglass construction provides strength in both compression and tension, outperforming equivalent steel in these areas. The crossarm is designed to flex under load and return to its original shape, reducing the risk of breakage during wind events or pole movement.

The non-conductive material eliminates the risk of electrical conduction through the crossarm. The UV protective coating prevents degradation from sunlight exposure over time.

The crossarm does not rot, rust, or corrode, making it suitable for harsh or corrosive environments. Fire resistance is inherent, as the material does not provide a fuel source for flames.

The included galvanized hardware and end caps ensure secure installation and protection of the crossarm ends from environmental exposure.

Installation and Long-Term Use

The crossarm is lightweight at 25 lbs, which simplifies handling and installation compared to steel alternatives. Brackets and all required mounting hardware are included for attachment to the pole.

Installation involves securing the crossarm to the pole using the provided 12 inch by 3/4 inch threaded rods and 6 3/8 inch by 3/4 inch bolts. End caps are installed to protect the crossarm ends.

Once installed, the crossarm requires minimal maintenance. The UV protective coating and corrosion-resistant materials support long-term use in outdoor environments.

The crossarm is designed to accommodate natural pole movement and flexing without permanent deformation or loss of structural integrity.

How This Fixture Is Commonly Used

After installation, the fiberglass crossarm provides a stable, non-conductive support for lighting fixtures, utility equipment, or other mounted hardware. The included brackets and hardware allow for direct attachment to compatible poles without additional fabrication.

The crossarm's ability to flex and return to shape is relied on in areas with frequent wind or pole movement. You can expect the crossarm to maintain its form and function without routine adjustment or inspection.

The UV protective coating prevents fading or surface breakdown, so the crossarm retains its appearance and structural properties over time. The non-conductive and corrosion-resistant features reduce the need for ongoing maintenance or replacement due to environmental exposure.

Color selection allows you to match the crossarm to site requirements or visual standards, supporting consistent facility appearance after installation.

Safety, Certifications, and Warranty

The fiberglass crossarm is non-conductive and does not sustain a flame. It does not rot, rust, or corrode, supporting safe use in a range of environments.

All connection hardware is galvanized for corrosion resistance. End caps are included to protect the crossarm ends from environmental exposure.

LED Lighting Supply provides a 7 year warranty on this crossarm.

Frequently Asked Questions

What pole diameters are compatible with this crossarm?
This crossarm is compatible with fiberglass or wood poles up to 9 inches in diameter and 28.25 inches in circumference.

What is the length and weight of the crossarm?
The crossarm is 6 feet long and weighs 25 lbs.

What mounting hardware is included?
Brackets, two 12 inch by 3/4 inch threaded rods, two 6 3/8 inch by 3/4 inch bolts, and two end caps are included.

What is the warranty period?
LED Lighting Supply provides a 7 year warranty on this crossarm.

Application Questions and Clarification

This product description reflects the provided specifications, ratings, and configuration options. For questions related to site-specific conditions, electrical compatibility, control integration, or application requirements not addressed in the provided data, our team is available to provide clarification.