Cage ladders

GRP cage ladders are often a durable alternative to conventional steel. There is a notable increase in the demand for GRP products for corrosive environments.

The advantages of GRP cage ladders

  • Corrosion-resistant;
  • Fire-retardant;
  • Durable;
  • Anti-slip (rungs);
  • Lightweight;
  • Maintenance-free;
  • Not electrically conductive.


Fiberstruct's Intermodule® plastic cage ladder system (*IM-CL) is made of isophthalic polyester (ISO-FR) profiles and satisfies the following standards:

  • EN-ISO 14122-4, standard for fixed ladders;
  • EN 131-2, strength standard.

* Meaning of IM-CL: Intermodule Cage Ladder.


Standard specifications

Cage diameter       ├ś 710 mm
Distance between steps/rungs 250 mm
Ladder width 400 of 500 mm
Maximum distance between wall brackets 2500 mm
Fastening materials A4 stainless steel

RAL colours

The cage ladder system is usually provided in the safety colour yellow RAL 1018. It is also available in grey RAL 7035.


Plastic cage ladders are delivered pre-assembled for your convenience. The fastening materials are delivered separately from the cage construction to prevent damage during transport.



A new office Our new office at Industrieweg 32 in Terneuzen is almost finished and our GRP gratings cannot be missed of course! We will move to the new office by the end of this year.
Project reservoir Africa Fiberstruct has recently succeeded in providing a total GRP solution for an important reservoir in Africa. We supplied GRP gratings and ladders with anti-slip and GRP railings Another great collaboration abroad!