The ladders with crinolines are made of aluminum, economical and resistant they are destined to remain permanently on the building.
The flexible ladders have textile studs. They are installed temporarily on a wall or an inclined plane.
The crinoline ladders are permanent aluminum devices:
The flexible ladders are textile devices that can be removed and transported easily:
SOMAIN SECURITE has also developed some solutions to secure the use of ladders in general: