Fibrelite were contacted by a third-party company whose client had tasked them with obtaining a lightweight upgrade for their traditional heavy concrete infill trench covers.
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Don’t Break Concrete
Fit A Fibrelite

Issues with your old cast iron and concrete access covers? Fibrelite’s retrofit FRP GRP composite access covers are the only ones on the market which can be custom designed, manufactured and fitted directly into your existing frames without breaking concrete.
Manufactured in the UK, Fibrelite covers are less than 1/3 of the weight of cast iron recess covers (with concrete infill) or ductile iron, and have an inherent resistance to corrosion, providing a covering solution which can be safely manually removed by 2 people and is designed to deliver years of trouble-free service even in the harshest environments.
- Painless to install. Effortless to remove
- Heavy-duty load ratings. Lightweight
- No corrosion. No maintenance
- Any shape, size, or access requirement
- Non-slip/skid for maximum safety
Issues with your old concrete or iron access covers?
Call us today for a retrofit replacement on:+ 1 919 209 2404 +44 (0) 1756 794 963
Benefits at a Glance
Painless To Install. Effortless To Remove
Replacing traditional access covers involves breaking concrete. Our retrofit FRP GRP composite access covers can be set directly into your existing frames, making installation quick and painless.
Light Enough to Remove By Hand
Strong Enough for Any Application
Fibrelite’s FRP GRP composite access covers are available in all loading ratings including D400, E600 and F900 for high wheel load areas, while weighing less than 1/3 of the weight of traditional cast iron recess covers (with concrete infill) and ductile iron alternatives. This means all Fibrelite covers can be safely removed manually, without the need for specialized specialised or mechanized mechanised lifting equipment.


No Corrosion. No Maintenance
Iron and concrete access covers can corrode, crack and become brittle. Fibrelite composite covers have an inherent resistance to corrosion and are proven to be highly durable, even in highly demanding environments.
Any Shape, Size, Or Access Requirement
Fibrelite’s composite access covers are available in almost any size, color, colour, shape and configuration, providing a truly bespoke, made-to-measure solution for every project, and Fibrelite have recently upgraded their manufacturing capabilities to make it even simpler and faster to manufacture retrofit covers.
Non-Slip For Maximum Safety
Unlike metal and concrete covers that can become hazardous when wet or worn, Fibrelite covers provide a safe walking and driving surface.
Call us today for a retrofit replacement on:+ 1 919 209 2404 +44 (0) 1756 794 963
Discover The Alternative To Heavy Access Covers
Cast Iron Access Covers With Concrete Infill
Our Lightweight Retrofit Replacement
Recent Success Stories and Case Studies
Manufacturing And Research Facility, North West, UK
Fibrelite were contacted to source a GRP covering arrangement for service duct trenches at a major UK based manufacturing and research facility.
Read MoreNottingham City Hospital, UK
Hilton Bodill Construction contacted Fibrelite on behalf of Nottingham City Hospital, who required a lightweight and strong modular covering system for their newly re-routed service trench.
Read MoreAirport Maintenance Facility, UK
Fibrelite were contacted to provide a bespoke GRP composite trench covering arrangement to fit precast concrete service trenches at a UK airport maintenance facility.
Read MoreIndustries Using Fibrelite’s Retrofit Access Covers
- Utilities
- Sewage works
- Water treatment plants
- Fresh water treatment plants
- Substations
- Power stations
- Airports
- Data centers centres
- Ports & docks
- Dockyards
- Container ports
- Airfield pavements
- Stadiums