Double washed sand Morvarid Bandar Pol

In addition to the use of sand in concrete buildings, which are the main and most important site for sand use, these materials are used in all parts of buildings. For example, in the overwhelming following of buildings that exceed two floors, concrete is used to be used in the construction of concrete, sand. They also use cement sand mortar for brickwork. Gravel is also used to sand the flooring of spaces built to prevent moisture from penetrating the surface. In addition to the cloud to protect facility pipes that usually pass through the floor of the building, in addition, the pipes are covered with a layer of non-calcareous sand so that the calcareous material that may be present in the shell or mortar may not be affected.