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Solid Top Lid

The Trenchlite® Solid Top GRP trough lids are BS EN 124, class A15 rated, suitable for weights of up to 1.5 tonnes up to spans of up to 1200mm and are approved to National Grid’s standard specifications. We offer a precision cutting service at our GRP Processing Centre to meet your exact specifications and a cost-effective installation service.

Robust, lightweight and cost effective.

  • Approved to National Grid’s standard specifications.
  • Versatile, lightweight and durable alternative to concrete.
  • Significant savings on installation time, transport costs and labour.
  • BS EN 124, class A15 rated.
  • No maintenance required.
  • Anti-slip surface.
  • Full range of sizes cut to span.
  • Non conductive and non corrosive.



Solid Top
Load Class A15 pedestrian
Working Load 500kg
Colour Grey and Green
Material GRP (Glass Reinforced Plastic)
Depth (mm) 50mm
Width (mm) 700mm
Weight (kg/m2) 30kg/m2