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    United Fiberglass™ Conduit and Duct Systems Deliver Ultimate Performance

    United Fiberglass conduit products provide the performance, value and durability that customers demand for their applications. Our fiberglass conduit can be used practically anywhere that PVC, rigid steel, thin wall EMT or other pipe and conduit materials are found. Our high quality, light weight, durable and corrosion resistant conduit systems are available in a broad range of sizes. We’ve engineered our conduit and duct to meet or exceed the industry's most stringent performance standards for safety and quality certifications. Our conduit systems can help you complete your next project with a greater long-term ROI.

    "Longest Life Cycle of any Conduit System – Simply Outlasts and Outperforms"

    United Fiberglass provides a resilient, long-lasting composite system for a wide-range of applications because it is engineered to perform and has best-in-class mechanical properties due to our highly-engineered Fiberglass Reinforced Polymer (FRP) products and manufacturing processes.

    United's Conduit System Offering Includes:
    • Fiberglass Standard Wall, Heavy Wall & Extra Heavy Wall BulletResistant™ Conduit
    • Above & Below Ground Systems
    • IPS Conduit in multiple sizes .75” - 8”
    • ID Conduit in multiple sizes 2” - 6”
    • Underwriters Lab (UL), National Electrical Code (NEC) & Canadian Electrical Code (CEC) listed products
    • Fiberglass “Zero Burn-Through” Elbows or Sweeps in Multiple Sizes and Radius Including Custom Radius Offerings
    • Fiberglass Utility Risers
    • Sleeve Couplings, Stop Couplings, PVC Adaptors, Male & Female Threaded Adaptors, Box Connectors, 5 Degree Couplings, End Bells, Wobble Couplings, Expansion Joints, Split Stop Rings, Duct Spacers
    • Design Review and Engineering Support
    • Conduit & Pipe Hangers and Support Systems
    • Adhesive Bonding Systems
    • Custom Colors Available
    Fiberglass Reinforced Thermosetting Resin Conduit Advantages:
    • Lightweight and Safer to Install or Handle in the Field
    • High Strength-to-Weight Ratio
    • Corrosion Resistant & Compatible for use in Harsh Environments
    • Wide Operating Temperature Range: -40℃ to 110℃
    • No Cable Fusion – Cables Will Not Adhere to Conduit Wall Under Fault Conditions
    • Superior Heat Dissipation Allowing for Higher Ampacity Cables
    • High Dielectric Strength – FRP Conduit is an Excellent Insulating Material
    • Low Coefficient of Friction – Pull Cables Further with Fewer Manholes and Lower Material & Labor Costs
    • Durable – Retains Shape After Compression or Impact
    • Zero Cable Burn-Through Unlike PVC
    • Increased Recommended Support Spacing vs PVC and Steel
    • Low Toxicity – Does not release harmful toxins when burned
    • Ultra-Violet (UV) Resistant for Long-Life Outdoor Usage

    Industries We Serve

    United’s FRP conduit, duct, riser, sweep, elbow products and accessories are perfect for the following industries and end-user applications:
    • Transportation, Bridges & DOTs
    • Airports, Piers, Docks & Port Authorities
    • Data Centers
    • Utility Companies
    • Telecommunications
    • Industrial & Commercial Buildings
    • Water & Wastewater Treatment
    • Chemical & Petrochemical
    • Mining & Corrosive Environments
    Fiberglass Conduit Performance Specifications & Testing:
    • UL 2515 Listed for Above and Below Ground Installations
    • UL 2420 Below Ground Installations
    • UL 2515-A
    • NEMA TC-14
    • CSA C22.2 No. 2420 & 2515
    • UL 2420
    • National Electrical Code (NEC) Article 355 – Reinforced Thermosetting Resin Conduit (RTRC)