Full reliance on manual labor means making resources available on time and delivering in the specified time period is a constant challenge. Weather, labor availability, and injuries are among a few causes of delays.
The aging workforce with over 50% annual turnover is no longer a sustainable backbone for an industry serving a rapidly growing demand, and this phenomenon is continuing to drive up the cost of services.
Working on the side of the building is never safe for human workers. From the risk of falling objects and damage to the facade and broken windows to the physical strain on workers and the health hazards to workers on the side of the building.
Moreover, the scene of such risky work right outside the window is a constant reminder to the occupants of the danger the workers are exposed to for cleaning their windows.