The Sertus Concertina Ladder (RAL-R | CL) is an industrial stairway and can support a load of 200kg per tread and 500kg/m2. Manufactured to DIN EN 14975 (DIN 4570) and designed to all industrial site requirement the Concertina Ladder (RAL-R | CL) is the most heavy duty retractable ladder currently available.
It is suitable for all heavy duty industrial applications.
Typical applications include: