So many times, when we are operating in certain areas, we are asked by random people, if we reaching the top floor. Well, the Reach and wash window cleaning method allows us to clean windows up to 60 feet high, while we stand on the ground. So Yes. The system uses a large, extendable, water-fed poles trough which water is pumped to the brush on the head. A soft bristled brush is used to scrub the dirt off the glass, while jets of pure water rinse the window.