Cosco step ladder – a Ladder is characterized in that stepladder, like that have dual side members but often with steps on both sides. Wiener Ladders has no platform at top, and they go all up to a point, in addition, they often hooks on side so you can hang his paint bucket. They are also often characterized by being made of wood, but they can also easily be made of for example aluminum or fiberglass.
You see it often in home, a hobby, in shops and not least among painters and other artisans who often work indoors or where a freestanding ladder is necessary. If one were to mention disadvantages of Wiener ladder, it is a cosco step ladder only stable and safe, as long as it gets a flat, solid surface, and if not possible, you should not use a Ladder. Wiener ladder also requires its place, as it must be fully extended before its stability is good enough for safe use.
Often they say that difference is that cosco step ladder only steps on one side, where Viennese ladder has on both sides, but it is not always quite right. One can namely easily find stepladders, which are double-sided, that has steps on sides. Big difference is platform to find escape ladder and in addition there is also often a railing on top of a stepladder, which a Viennese rise not.