A curtain wall is a type of facade that is made up of panels of glass or metal. It is often found in commercial buildings, but can also be used in residential structures. Curtain walls are designed to provide a certain level of weather resistance and thermal insulation, while also allowing for natural light to enter the building. However, like all things, curtain walls require maintenance in order to keep them functioning properly. In this article, we will provide some tips on how to maintain your curtain wall.