Do you need a “hidden” building maintenance unit (BMU) for your facade access? A roof trolley system (or roof car system) is not visible from the street below when it is not used. Light Roof trolleys from are sometimes confused with big roof car machines, which are crane-like machines with long, often telescopic jibs and the hoist on the roof. However, light roof trolley is a flat machine traversing on two parallel aluminium tracks mounted on top of the roof. This text explains the idea of a light roof trolley, when it should be used and what are the advantages and downsides of a light roof trolley system.
Niko Siltanen
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