An extension of the AC200 is the AC200+. The AC200+ is also a curved stair or ladder construction that can be moved linear over the surface of the façade by using rails. Different kinds of movement systems are available, going from chains to electric systems.
The only difference with the AC200 is that this construction is provided with safety guardrails at a height of 1m for stairs and 0.5m, and beams to obtain a reinforced working structure. The aluminum beams to reinforce the ladder provide a strong structure that is still light weighted.