A curtain wall is a nonstructural exterior covering of a building that is connected to the frame and used to withstand the effects of environmental elements. For the better performance of the façade of the buildings, it is very important to carefully study the curtain wall during the design stage.Building a curtain wall is a lot more complicated than building a regular wall, which can be compared to wrapping a gift. You need to pay attention to all aspects of the system and consider the type of fabric you want. You also need to make sure that your area has good ventilation and natural lighting.