In order to restore these glass edifices to their former glory, professional cleaners are called in to perform their beautifying services. Today it is not uncommon to see suspension scaffolding complete with technicians washing and cleaning these tower complexes.
替大樓清洗外牆的專業清潔公司就應運而生。走在台北一些高級商業區，常見十數層大樓的外牆吊著一部自動升降洗窗機，工作人員騰在空中清洗窗戶牆面，看來不免捏把冷汗。