Certified as to EN 1147 and Austrian Standard ÖNORM F 4047.
The ladder may be used by two persons with a maximum weight up to 216 kg. The beams and rungs are made of high-strength light alloy. Feather/spring snatching locks (steel galvanised), fixing stoppers and slip.resistant exchangeable ladder shoes as well as smooth exterior surfaces offer highest user friendliness. The ladder system is compatible with all usual ladders (as well as timber and older models).