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Regarding that most of the activities of Askari Trading Company are dedicated to the export of building materials and construction equipment, and Iran has a great natural potential of the types of decoration stones and , the company has initially established a factory with the commercial registered brand of ATC Stone for production and processing of high quality Iranian rocks and managed to export various kinds of stone objects and construction stones, including travertine, marble, marmarite, granite, Neyreez and antique to different countries of the world.

About Stone

We can say about the most convenient way to buy the right stone that when buying a stone, you should pay attention to the space of the building that you are going to place the stone on. Every stone is suitable for ... a particular stone. Typically, the spaces upon which stones are installed, are divided into exterior, interior, staircase floor and landings, floor of interior residential spaces, floor of commercial and office spaces, floor of roof and sidewalk, toilets, caps of yards walls, courtyards and roof parapet and finally stones on cabinets and kitchen desks.
For appropriate external façade stone, it can be said that external facade rocks should have high resistance to heat, moisture, cold and sun’s UV light. Therefore, the best kind of stone for the exterior facade would be travertine, granite or sandstone, however, the best choice for the exterior façade is travertine stone, because it is more resistant and cheaper than granite, it also has a good relationship with cement which is due to its porosity, and its tightly attaches to the wall. Thus, it has a good durability.
In the case of selected interior stones, it can be said that low-resistant rocks with a beautiful appearance can be the best option for the interior. Stones such as Onyx, granite, Crystal and etc. due to no contact with atmospheric problems, it is a good choice for the interior. Some people, of course, want to use these rocks inside the building because of their special veins and colors of travertine and sandstone, which it has no problem. These rocks can create very beautiful parades in lobbies, landings, around elevator doors, staircase walls, parking walls, and more.
Stones suitable for stairs and landings
Stairs and landings are the best place to install granite stone, this stone has a very high strength. Some people use second grade Onyx because of high prices of granite, which is considered a big mistake.
The stairs of office and commercial buildings and schools that have a lot traffic of individuals should be made of high quality Onyx or granite.
Stones suitable for floors of residential interior spaces
Stones are the best floor covering in the world. One of the reasons for this can be attributed to the effect of factors such as durability, natural color, strength against the collision of sharp objects, smoothness and perishability, making the appearance of the interior stunning, good heat retention from floor heating systems.
The best stone used in the floor flagstone is Onyx. Selected rocks for floor flagstone of office and commercial interior spaces and alike is Onyx spaces; however, it should be noted that for these spaces high quality Onyx must be used, because these places are more prone to individuals traffic than the building space. About the stone used on the floor of roof and sidewalk it can be stated: In these spaces stones that are resistant to freezing and pressure should be used, so the use of travertine, Crystal and granite stones are very much appropriate options for the floor covering of roof and pavement. Of course, for these spaces using grade 1 rocks is not necessary.
The stones suitable for baths, toilets and so on
By no means, do not use any Onyx stones in toilet and bathroom because it is very weak against chemicals. The stones resistant against moisture and detergents are suitable for these places. Travertine is also the best and cheapest option for wall caps of yards, courtyard and parapet.

Stone Grading

One of the most important factors in qualitative calibration of stone is its porosity. On the other hand, the strength coefficient of building façade against acid rain and freezing is also highly dependent on this factor. At present, estimating the porosity and quality grading of stone ... at most stone mills are done visually and by workers familiar with the work. The quality of travertine stone is not uniform in all parts of the rock mine.
In some places, the rock has lower porosity and more density, and as a result has more strength. These changes have resulted in different grades of stone cubes and blocks of for export category to grade 4.
The color of stone is the most important parameter in the classification, and the whiter and the more uniform the stone is, the higher quality of travertine stone. As a result, the color and the amount of impurities and porosities and shape and thickness are important for travertine stone. The more the thickness of travertine and garbage removing is higher, the lower stones, due to its higher pressures, have less porosity and travertine stone becomes more desirable.
Detection of stone grading for most factories is very time consuming and costly. Recently, in the scientific communities, a method has been developed to estimate the porosity in building stones based on image processing techniques. In this way, after taking image from the desired stone, the texture analysis algorithm is implemented on the image and ultimately provides a binary image in which the porous portions are separated from the intact parts. In the obtained image, with the help of the equation of surface comparison, stone porosity can be calculated in percent. One of the advantages of this method is low computational complexity, high speed execution and compatibility with most of rock models.

The History of Construction Stones in Iran

Extraction and use of construction stones has a long history in Iran. The use of these stones in the first millennia of the formation of civilization in the land of Iran has been customary both as construction stones and decorative stones inside ... traditional buildings. Remaining works from the use of such rocks in buildings and monuments of Persepolis, Pasargadae, Takht-e-Solomon and many Sassanid and Islamic until these days are still scattered throughout Iran.
Ornamental objects made of a variety of Onyx, Marble, and so on, including utensils and women's ornaments, are existing in museums of Iran and other parts of the world. The decorations inside the monuments, some of which are excavated from ground, show the use of above rocks in the interior decoration. Exploration, extraction, transportation, cutting, smoothing and the use of decorative and façade stones that have undergone in Iran traditionally over time, have evolved in recent decades. The main and substantial parade of this evolution is the application of modern methods in this mineral industry that has led to quantitative changes in the production and consumption of this group of mineral deposits. Non-explosive extraction methods and the extensive use of hard machines are based on two recent major developments in Iran's rocks industry, which have taken place in the last decade, and each of them, in turn, has been able to develop qualitative and quantitative consumption of decorative and facade stones.

marble Stone

Marble is a kind of metamorphic rock resulting from local metamorphism of calcium- and magnesium-containing calcareous stones. It is a layered stone with various colors, crystalline, and semi-transparent. In fact, marble belongs to Marble Group is in scientific terms. Its main applications is in the interior façade and sculpture. So far, its largest reserves have been reported in the provinces of East Azerbaijan, Khorasan, Kerman and Kurdistan.

Granite Stone

Granite is a bright color igneous stone in which its grains are so large that they can be seen with the naked eye. This combination of minerals usually produces a red, pink, gray or white color. Many people are familiar with granite, because it is the most common rock found on the ground and is used to make many objects in everyday life, including over cabinets and counters, flooring, pavers, kerbs, stairs, facade and gravestones and memorial stones

Antique Stone

Antique stones are composed of small, broken pieces of travertine stones and binder materials. The use of decorative stones garbles such as travertine, in addition to increasing the productivity of high-quality materials in nature, will result in creating stone products with beautiful and eye-catching designs. Designers and architects use these types of stones for beautification the exterior and interior views of the buildings and villas and gardens.

Contact Form

Contact Information

Unit 5, 2th Floor, BelashAbadi Complex
East pahlavan KianPars St, Ahvaz, Iran
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