90° Angle Section GRP Cable Trough

The Trenchlite® GRP Cable Trough system, innovated by Fibex provides a lightweight and cost-effective solution to pre-cast concrete troughs.
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What does our GRP Trough range include?

  • Range of Straight, Tee, Right-Angle, 45° and Transition GRP Troughs
  • Custom bends available
  • Available in 300mm and 600mm depths as standard

Why choose Fibex’s GRP Troughs instead of precast concrete alternatives?

Fibex’s GRP Trenchlite® Trough/Trenches are capable of meeting D400 (40 tonnes) test load ratings with suitable Fibex GRP Trough Covers.

The reinforced design of Fibex’s GRP Cable Troughs/Cable Trenches offers a significant advantage over the typical polymer and composite concrete troughs. This is due to GRP Cable Troughs weighing around 90% lighter than pre-cast concrete.

We are continually developing new improved and innovative products in our range using open and closed moulding processes and currently are patent pending for upcoming products.

Where is it standard to use GRP Troughs?

  • Substations
  • Power Stations
  • Wind Farms
  • Biomass Plants
  • Waste Water Treatment Plants
  • Petrochemical Plants
  • Hospitals
  • Commercial Infrastructure

Additional Info

The Trenchlite® GRP Cable Trough system, innovated by Fibex provides a lightweight and cost-effective solution to pre-cast concrete troughs.


The lightweight properties of Fibex’s Trenchlite® GRP Cable Trough system allow for overall cost savings when it comes to installation. For example, Fibex 600mm x 600mm GRP Trenchlite Troughs only weigh around 31KG in comparison to the typical 810KG weight of pre-cast concrete troughs. Fibex’s GRP Cable Troughs is handled and installed by a minimum of two labourers, as a result of this, there is no need for machinery.

As well as this, the lightweight characteristic of our GRP Cable Troughs/Trenches means transportation costs are reduced by up to 75%. Saving you on time, costs, and resources.

What are some other benefits of Fibex GRP Troughs?

The many benefits of Trenchlite® GRP Cable Troughs/Trenches make them the ideal solution for use in a wide range of applications. In addition to being lightweight and, cost-effective Fibex’s Trenchlite® GRP Cable Trough systems are also non-corrosive and non-conductive.

GRP Trough Key benefits

  • 90% lighter than a precast concrete troughs
  • Safer to transport, with fewer breakages
  • Easier and cheaper to install on-site
  • GRP cable troughs can be cored on-site using only hand tools
  • Reduce labour, installation and maintenance costs
  • Does not require concrete backfilling
  • Strong
  • Durable
  • Cost-effective
  • Zero maintenance
  • Non-Corrosive
  • Non-Conductive
  • High-load ratings

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