Windows should be cleaned on a regular basis to prevent the build-up of pollutants and lime scale. Should regular maintenance be neglected, normal washing will not have the desired effect as the unsightly lime scale will remain on the windows. Should the windows already have lime scale deposits, the scale can be removed by means of the window refurbishing process which is costly. Two methods are used for window cleaning:
The water fed pole system is used up to a height of 15 metres, thereafter rope access is used

Water Fed Pole System

Rope Access

Window Refurbishing