The top section of sectional ladders used for cleaning high-rise windows has pads to keep it from damaging paint and glass. Find out how to use sectional ladders to clean high-rise windows in this free video on washing windows of commercial buildings from a professional window washer. Expert: Jason Ihrig Bio: Jason Ihrig with Hi-tech Window Cleaning has been cleaning windows for more than 20 years. He specializes in all phases of window cleaning and has taught many employees the art of cleaning a window. Filmmaker: joseph wilkins