Polishing service is a must for the surface maintenance in the house or office is one of the everyday routines that endure serious wear and tear—foot traffic, spills, scratches from furniture, and so on. Over time, even the hardest materials lose their shine and smooth finish. Cleaning will help to maintain the appearance, but sometimes one will need that deep cleaning from experts. If you ever find yourself wondering whether it is time to call these professionals, here are five sure signs that your surfaces need professional polishing.