Travertine stone
This type of face stone is one of the most widely used and also the most popular type of face stone. According to the statistics in Iran, it is known that the most used face stone is this type of stone resulting from the sediments of underground hot water streams and as it is known It belongs to the category of sedimentary rocks.
Granite stone
This type of stone facades is an igneous stone. Due to the high iron content, granite facades react with the surrounding air and rains and become oxidized. Some of these stones are also used in tropical areas. They do it for the exterior.
Chinese stone
Porcelain stone or crystal is the metamorphosed limestone or marble whose constituent grains or crystals can be seen and has a crystal texture that is mainly composed of calcite and a small amount of lastonite, and in some porcelain stones, quartz is also present. There is that with the increase of quartz, the hardness of porcelain stone increases and it mostly has white and light gray colors. The reason for choosing the Chinese name on this stone is the sound produced by hitting the porcelain stone, which is similar to the sound of porcelain dishes. Since ancient times in Iran, the use of this stone in building facades has been common, especially in tropical regions, because its light color prevents it from absorbing too much heat.
Marble
These stones are among the types of natural metamorphic stones, these stones give a very luxurious look to the building. They are usually used in the interior of buildings. Because these stones are expensive, architects usually do not use them for the exterior. They use them for the interior.