- Making the appearance and exterior of the building beautiful and pleasant, and finally a suitable and acceptable view of the city or the place where the building is located.

- Reducing energy loss. in all seasons; Because the facade in the building plays the role of a thermal and cold insulation, which prevents waste on the production energy of the heating and cooling systems of the building, and can, depending on the material, color and amount of the surface, cause heat rejection and reflection in the season. summer, especially in tropical regions, and perform the same function in winter to absorb solar energy and heat buildings in cold regions. It is quite clear that the facade of the building plays a very important role in reducing the amount of noise pollution and disturbing sounds from the outside environment into the interior of office and residential buildings. This problem is more apparent in megacities with high noise pollution.

- In today's constructions, sound insulation is done by using glass facades and by using multi-layered glass between them. It is filled with gases such as argon or vacuum, it has reached better results with higher efficiency. Facades made of stone, concrete and brick are also good insulators in terms of sound.

- Helping to increase the durability and stability of buildings against unfavorable atmospheric and environmental conditions (earthquake, wind, acid rain and humidity) corrosive, frost, acid gases in the polluted air of big cities, harmful rays of the sun such as ultraviolet rays, dust and soot containing chemicals) and as a result increase the useful life of the building.

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