Granite Stone
Granite stone is one of the common types of stone as building materials. the usage of this beautiful stone is in the floor, wall cladding, and stairs. the best choice in hard environments as floor cladding like parking, outdoor cladding, stairs and etc in factories, workshops, complexes, and houses. you can see more in the bottom of page.
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Basalt Stone
Sooran Black Granite Natanz
Granite is a hard and resistant stone with various colors and uniform textures on its surface. This stone has good resistance and is suitable for indoor and outdoor flooring, stairs, and wall cladding.
Table of contents:
Advantages of granite stone
- High strength and durability
- Resistance to water and chemicals
- Beauty and uniform surface
- Color variation
Good resistance
As mentioned, granite is one of the strongest and hardest stones, so it is widely used as a building material and also in hard environments like factories and workshops. The surface of this stone has a good resistance against scratch, heat, and acidic materials with very little and near-to-zero water absorption.
Resistance to chemical substances
Granite is also resistant to water penetration and not easily damaged by impact. With all these cases, it can be said that it tolerates the conditions of industrial environments well. Corrosion resistance is another advantage of granite stones. So that if chemicals are poured on it, it will not be damaged.
Beauty and uniform surface
Unlike travertine and marble, these beautiful stones have a perfectly uniform surface. They also have a relatively good variety of colors and designs that keep your hands free to choose.
Which granite should we use?
Naturally, Color and appearance are the priorities in choosing the type of granite stone. After, that can be referred to physical properties such as bending and abrasion resistance as well as impermeability in moisture and oil.
1/ Choosing based on color
When it comes to choosing granite based on color if your choice is black granite, the blackest ones are Tuiserkan, Simin, and Natanz, respectively. Black granites are often used in residential and commercial construction as one of the most durable and stylish coverings for walls, floors, and stairs. Orange granites (Taibad orange granite and Nahbandan granite), red granites (Yazd red granite), and green granites (Birjand granite) are also available among Iranian granites and each of them is extracted from its mines.
2/ choosing based on physical properties
Moreover, when it comes to physical properties and resistance, hard stones should be used. which can be a suitable option in the parking lot, ramp, outdoor flooring, workshop, factory flooring, and industrial harsh environment. The most popular Iran granite stones for this purpose are Nehbandan, Khorramdareh, Natanz, Zahedan, and Mashhad, respectively. Mashhad is one of the cheapest types of granite, which is due to its high permeability and water absorption compared to other granites.
Granite stone colors
In terms of color, Iran granite can be divided into four categories: chocolate granite, black granite, red granite, and gray granite;
Gray Granite
the gray granite stones are light gray and are divided into three categories: Natanz granite, Nehbandan granite, Zahedan, and Mashhad granite.
Orange Granite
Chocolate granite is often ivory and chocolate beige, divided into Zanjan spring chocolate granite and Khorramdareh chocolate granite.
Black Granite
Black granite stones are also such that it has high strength and resistance so it can be said that the darker the granite stones, the stronger it is. This type of stone is also divided into some categories: Alamut black granite, Tuyserkan, Simin, and Natanz black granite. the more black the more expensive and beautiful. Touyserkan granite is the most expensive and shiny and Natanz granite is the cheapest.
Red Granite
But the last category of granite stones is red granite, the only type of which is red granite in Yazd, and its resistance is the size of black granite stones.
Green Granite
Birjand region of Iran has a great gift of nature in green color with fantastic characteristics. Green Granite can be used in internal and external of buildings as wall veneer, floor cladding, and stairs in slab and tile sizes.
Application of granite
Due to its high strength and durability, granite can be used in any part of the building, both indoors and outdoors. However, among the most critical applications of this type of stone are stairs, sidewalk paving (usually cubic stone), flooring, wall coverings, landscaping, building facade, sink, elevator frame stone, kitchen countertops, etc.
Granite quarries in Iran
Iran is one of the rich countries in terms of the number of mines and the variety of granite. The mines are in provinces and cities like Hamedan, Touyserkan, Mashhad, Gilan, Nehbandan, Natanz, Yazd, Zanjan, Toos, etc.
Disadvantages Of Granite Stone
Despite what has been said about the advantages of granite stones, it is necessary to know that granite also has disadvantages. Knowing about it before choosing and using it as a material in your building is better
Rusty possibility
Granite contains iron, and more iron is found in some varieties of this stone. This iron gradually rusts when exposed to moisture and destroys the beautiful appearance of the stone.
x-ray radiation
There is radiation of radioactive materials in some of these stones. So it is prohibited to use inside laboratories and hospitals.
high weight and low stickiness
These two features cause to avoid engineers to use it as a facade. They are also using it indoors cause to increase the whole weight of a building.
Not insulated for heat and sound
This stone, unlike travertine, has no holes inside and is not insulated for heat and noise.
Price of granite stone
Due to the hardness of this stone, the cutting and processing would be more expensive than other stone types like travertine and marble. The Iranian granite stones price range is about between $8 to $40.