You should only let them know if your establishment is a residential or commercial one. Usually, they bring all the materials they need in any kind of glass or metal that they need to clean because different textures also need different cleansing agents. Commercial Window Installers Near Me also have insurances and certificates so that they are allowed to operate. Window cleaning is no easy task, especially when you have to work with the exteriors of a high rise building. You need proper training and you should learn all the proper procedures in order to be able to do this job.
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