This roof trolley is equipped with a single arm and contains all the technology for reaching facades that we have developed in the projects we have participated in, for example: 

vertical telescopic mast or scissor construction to hide the machine when not in use, telescopic arms up to 5 steps, material hoist for lifting heavy loads (up to 1,000 kg), pantograph gondolas to reach recessed facades (up to 11 meters), gondolas up to 10 meters wide, electronic programming, etc.