For reservoirs, water towers and production plants, in contact with water intended for human consumption.
9 models made to measure · 26 productsThe drinking water family in detail →The composite caged ladder, built to the height of the structure.
The ID-E range brings together idréva’s caged ladders in GRP composite (glass-reinforced plastic), made to measure up to 8,000 mm. They never rust and ship with their certificates. Two families in the catalogue: drinking water and industry.

- 01Your discounted priceOn every ladder, based on your company’s terms.
- 02Configure and priceOnline; quote checked by your account manager within 48 working hours.
- 03Drawings and certificates2D/3D drawings, instructions, ACS certificate for the material.
In reservoirs, on chimneys, at the bottom of pumping stations.
Installer, operator, HSE manager or local authority: the ladder is made to measure for your structure.
Drinking water reservoirs
Water towers, tanks, storage. Water intended for consumption and constant humidity: the material is ACS-certified and does not rust.
ACS drinking water laddersIndustrial structures
Chimneys, silos, platforms, cooling towers: sodium hypochlorite, salt spray, acids, alkalis and solvents do not attack the composite.
U90 laddersNetworks and wastewater
Buried tanks, wastewater treatment plants, pumping stations: an aggressive atmosphere where the ladder stays sound, with no repainting.
U90 laddersOne visual inspection a year, nothing more.
20 years of service without repainting. On the U90 range, no acid, alkali or solvent degrades it.
GRP is light enough for two operators to install it. After that, one visual inspection a year is enough.
Electrically insulating, it limits the electrical risk near live equipment. Safety cage compliant with NF E85-016.
Two ladder families, chosen by application.
Drinking water → ACS · industry, chemicals and wastewater → U90 · tanks and silos → TK50 · wells and chambers with H₂S → TR70. The numbers come from the catalogue and are updated continuously.
For industry, wastewater and technical access. Resistant to acids, alkalis and solvents.
9 models made to measure · 27 productsAnti-intrusion, designed to NF E85-012 and NF E85-016.
Coming soon to the catalogueFor H₂S-laden atmospheres.
Coming soon to the catalogueThree rules no configuration can bypass.
What the standards require of a fixed ladder, and what we apply to every configuration.
710 mm diameter, starting at a minimum of 2.2 m.
For a ladder that can only be fixed at the top and bottom.
Custom design, with a rest platform at 6,000 mm.
idréva documents are reserved for professional accounts. Request access Sign in
Your ladder takes shape in six choices.
These are the steps of the configurator in your portal. No prices are shown here: your estimate is calculated with your pricing terms.
The climbing height, entered freely up to 8,000 mm.
Free entryVertical or inclined, depending on the structure.
2 optionsRequired from 3 m climbing height. You choose the number of cage sections.
Ø 710 mmSix exit types, landing step optional.
6 typesTop, intermediate and bottom, in A4 stainless steel.
A4 stainless steelYour account manager checks the configuration and sends you the updated quote.
Quote within 48 working hoursAccess is approved within 24 working hours. There’s no obligation.
What people ask us before choosing a composite ladder.
Seven short answers. For anything else, your account manager replies in the pro portal.
GRP composite: pultruded stiles, anti-slip rungs at 250 mm spacing and A4 stainless steel fixings. Every profile is calculated by our design office, and the ladder is made to measure in Normandy. It never rusts; one visual inspection a year is enough.
Yes, with the Drinking water family. Its material holds the health conformity certificate (ACS), issued after migration tests by an approved independent laboratory. For details, see ACS drinking water ladders.
ID-E ladders comply with EN ISO 14122-4 (permanent means of access) and NF E85-016 (fixed ladders and safety cages). Top exits follow NF E85-015. The certificates of conformity and test reports are included with the delivery.
Up to 8,000 mm of climbing height, entered freely in the configurator. Above 5,000 mm, a stiffening kit is required if the ladder can only be fixed at the top and bottom. Above 8,000 mm, the ladder becomes a custom design, with a rest platform at 6,000 mm.
From a climbing height of 3 m. The idréva safety cage is 710 mm in diameter and starts at a minimum height of 2.2 m.
By two operators, without lifting equipment: its material is 4× lighter than steel. It is delivered ready to install, with its top, intermediate and bottom fixings in A4 stainless steel; the installation instructions are in your portal.
No. Prices, data sheets, drawings and the configurator are reserved for the workwith. pro portal, open to operators, distributors and installers. Access is free, with no obligation, and approved within 24 working hours.