Windows are cleaned by  Traditional or Water Fed Pole method, which has become the industry optional standard.

Traditional Window Cleaning the use of ladders to climb to upper floor windows to be cleaned and frames and sills, leaving the window dry cleaned.  

The Water Fed Pole Window Cleaning technology which involves the use of telescopic poles and 100% pure water pumped up through the pole which is filtered through de-ionisation vessels and into holding tanks before transported to the site. 

Water Fed Pole windows are left in a wet condition to dry clear but sometimes they are left spotting until after three cleans by this method may leave them clear from spotting, but not all glass can be cleaned with this method.