Many buildings can have their windows cleaned with water-fed pole window cleaning. However, there is, obviously, a limit to how far a water-fed pole will reach and the amount of strain that the operator can take. It is possible to buy a water-fed pole of 55’ in length which will clean up to six storeys high, but at this sort of height the pole does tend to become rather wobbly. If the building is a large one, it may well be that there are too many windows at height for the operator to manage in one visit, because handling a water-fed pole can become very tiring.
Above this height one is looking at rope access suspended from eyebolts installed on the building, but WFP window cleaning is suitable for many buildings, such as schools and retail stores which, in general, do not have many storeys. A water-fed pole is usually made from something like light weight carbon fibre, and soft bristles are used to clean the glass which is rinsed using pure water.
Standard tap water contains many minerals, and while it is fine to drink, if used to clean windows it leaves spots and smears. This is because when the water evaporates it leaves the minerals behind. When you use deionised, purified water there are no minerals in it, so the windows can be left to dry naturally and there will be no spots or marks left behind afterwards.
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