Facade is generally the front part or exterior of a building. The word facade derived from the Italian word Facilitate means outside or external face of the building.
Facades are one of the most important elements in overall technical and aesthetic performance of buildings, it also play an important role in the light intake and ventilation of the buildings.
Its add a unique personality in structure. This process is the process that reveals the appearance of the building. Facade systems are made with very different materials. In architecture, the façade of a building is often the most important aspect from a design standpoint, as it sets the tone for the rest of the building.
From the engineering perspective, the façade is also of great importance due to its impact on energy efficiency.