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GRP Rods and Tubes

Safe, corrosion-resistant and maintenance-free, our GRP rods and tubes are engineered to perform in electrical, industrial, and chemically harsh environments.

GRP Tubes and rods

Engineered Composites manufactures a wide range of pultruded GRP rods and tubes designed for strength, insulation, and durability. These solutions are ideal for cable supports, insulators, framework structures, fencing, and more.

With superior chemical resistance and electrical insulation properties, GRP rods and tubes are ideal for industries such as telecommunications, water treatment, marine construction, and rail infrastructure. Their non-conductive, non-corrosive makeup provides a long-lasting alternative to traditional materials like metal or timber

GRP Tubes and Rods

Trusted GRP rods and tubes Solutions

Our GRP rods and tubes offer reliable performance under extreme conditions. Designed to replace metal in safety-critical or electrically sensitive settings, they are available in a range of diameters and configurations. Lightweight and strong, these profiles are well-suited to structural, electrical, and general-purpose applications.

  • Diameters: Sizes available from 9.5 mm to 50 mm
  • Wall Thickness (Tubes): 2 mm – 8 mm
  • Lengths: Up to 6 m (cut-to-length options available)
  • Colours: Yellow, grey, or custom RAL options
  • Material: Manufactured using E-glass with isophthalic or vinylester resin
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  • Excellent electrical insulation (non-conductive)
  • Corrosion, weather, and UV resistance
  • Smooth or gritted finish available for added slip resistance
  • No special coatings required; low maintenance and easy to fabricate
  • Suitable for structural, mechanical, and electrical applications

Corrosion & Weather Resistant

No rust, rot, or degradation over time

Non-Conductive & Fire Retardant

Safe for electrical and industrial sites

Lightweight & High Strength

Easy to install with exceptional durability

Why Choose GRP Rods and Tubes?

GRP rods and tubes are the go-to solution for industries that demand durability, non-conductivity, and corrosion resistance. Whether you’re working in electrical, marine, or chemically aggressive environments, these profiles offer a lightweight yet high-strength alternative to traditional materials.

Highly Durable

Engineered for long-term structural and insulation performance

Corrosion-Proof

No rusting or degradation in wet or chemical zones

Lightweight Advantage

Easier handling and installation vs. steel

Non-Conductive

Perfect for electrical, telecom, and rail use

Fire-Retardant Options

Enhances safety in industrial and public areas

Customisable

vailable in varied colours, lengths, and finishes

GRP Handrails

Need Help Choosing the Right GRP Rods and Tubes? Talk to Our Experts!

We’ll help you choose the best-fit product based on your project’s technical, electrical, and safety needs.

Applications & Environments

Engineered Composites’ GRP rods and tubes are used across a wide variety of industrial, commercial, and public sectors where safety, durability, and non-conductivity are essential. Their high-performance properties make them suitable for both indoor and outdoor applications.

Electrical Substations & Enclosures

Ideal for non-conductive structural supports, cable routes, and safety barriers.

Chemical Processing Facilities

Withstand exposure to harsh chemicals without corrosion or structural damage.

Water Treatment & Desalination Plants

Perfect for wet, high-humidity environments where rust or rot would compromise safety.

Marine Platforms & Offshore Installations

Used for framework, railings, and pipe supports due to their saltwater resistance.

Rail & Transport Infrastructure

GRP rods and tubes are used in handrails, safety fencing, and signal equipment supports.

Telecommunication Structures

Non-metallic nature makes them safe for antenna supports, trench systems, and mast reinforcements.

These profiles are especially valuable in safety-critical, corrosive, or electrically sensitive environments, providing a long-lasting, maintenance-free alternative to traditional steel or wood.

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FAQs About GRP Rods and Tubes

What Are the Main Material Properties of GRP Tubes and Rods?

GRP Rods and Tubes are made from high-quality glass reinforced plastic, offering exceptional durability and strength across a wide range of applications. One of the standout properties of GRP is its high corrosion and chemical resistance, making it ideal for use in harsh industrial, marine, and chemical processing environments. These materials are also non-conductive, thermally stable, and lightweight, making them perfect for electrical enclosures and underground installations. Additional material properties include UV stability, low thermal conductivity, excellent weather resistance, and high elastic recovery, making GRP profiles a robust, low-maintenance alternative to traditional materials like steel or timber.

What Are the Main Application Areas for GRP Tubes and Rods?

GRP Tubes and Rods are incredibly versatile and used across numerous industries including water treatment, electrical engineering, rail infrastructure, telecommunications, marine platforms, and green energy systems such as solar and wind power. Thanks to their non-conductive and corrosion-resistant nature, these profiles are ideal for environments exposed to chemicals, moisture, or high electrical loads. They’re commonly found in measurement and filtration technology, agricultural structures, and cable management systems. At Engineered Composites, we offer GRP Tubes and Rods in a variety of standard and custom colours including black, white, and yellow, ensuring they suit both functional and visual project requirements.

Are GRP Rods Better Than Conventional Metal or Timber Rods?

GRP rods outperform traditional materials like wood or aluminium in strength, stability, and longevity. Unlike timber, GRP does not rot, warp, or absorb moisture, and unlike metal, it won’t corrode or conduct electricity. This makes GRP the preferred choice in safety-critical and moisture-prone environments such as waterworks, substations, and marine installations. Additionally, GRP rods are lightweight and easier to handle, transport, and install—reducing labour and logistical costs. These rods require no ongoing maintenance and are fire-retardant, UV-resistant, and safe in electrically sensitive areas. Simply put, GRP rods offer the strength of steel without its drawbacks.

What Sectors Do You Serve with GRP Tubes and Rods?

Engineered Composites supplies GRP Tubes and Rods to a wide array of sectors throughout the UK, including rail, construction, marine, telecoms, chemical processing, agriculture, and electrical infrastructure. Our non-conductive and corrosion-resistant profiles are ideal for projects that require long-term reliability and safety. Whether you’re reinforcing a handrail on a rail platform or installing conduit systems in a water treatment facility, our GRP products deliver superior performance. We also support bespoke sector-specific needs, offering next-day delivery for urgent requirements, and custom lengths or colours for large-scale industrial installations.

Why Choose Engineered Composites for GRP Tubes and Rods?

As the UK’s leading GRP manufacturer, Engineered Composites brings over 35 years of industry experience and technical expertise. We’re trusted by engineers, contractors, and architects for supplying durable, high-specification GRP Tubes and Rods tailored to individual project requirements. Our products are independently tested for compliance with British and European standards, and we ensure rapid turnaround with next-day delivery options. From expert consultation to bespoke fabrication, we provide end-to-end support for your GRP structural needs. Whether you’re working on electrical insulation or marine reinforcement, we’re your reliable partner for high-performance GRP composite solutions.

Can GRP Tubes and Rods Be Used in High-Temperature or Corrosive Environments?

Yes, GRP Tubes and Rods are specifically designed to perform in high-temperature and corrosive environments, making them ideal for sectors like chemical processing, wastewater treatment, and offshore installations. Engineered from glass reinforced plastic, these components are inherently resistant to acids, alkalis, solvents, and saltwater exposure. In thermally sensitive environments, GRP maintains dimensional stability and mechanical strength without degrading. Unlike metal tubes, which are prone to corrosion or heat-induced deformation, GRP profiles remain robust, safe, and maintenance-free. This makes them a preferred material choice for long-term reliability in aggressive or high-risk industrial applications.

Do GRP Tubes and Rods Comply with UK Building and Safety Standards?

Absolutely. All GRP Tubes and Rods supplied by Engineered Composites comply with key UK and EU safety and performance regulations, including EN 13706 for structural profiles and ASTM E84 for fire performance (where required). Our products also meet guidelines for electrical insulation, UV resistance, and chemical stability, ensuring suitability across public infrastructure, transportation, and utilities sectors. In addition to meeting technical specifications, we provide datasheets, test reports, and compliance certificates to help contractors and engineers meet regulatory obligations on-site. Safety, durability, and certification are integral to every GRP product we manufacture and deliver.