What Are The Different Grades In Granite
Unlike the internationally accepted standards that exist for diamonds however the levels and grades for granite are determined by each individual wholesaler one company may classify a slab.
What are the different grades in granite. Most manufacturers and stores have an in house system used to define different grades of granite. Granite s grade is determined by veins pitting marks thickness soft materials inside the composition and colors. Granite is able to withstand extremely high temperatures it is highly scratch resistant and the maintenance is incredibly simple. The following types of rock are the most commonly used.
Level three granite and up or high grade granite includes some of the most beautiful granite on the planet. Here is how these grades breakdown. When it comes to the different grades of granite it comes in three grades ranging from basic to high grade. The following list gives a rundown of crushed stone grades and their best.
The most marked difference in durability and thus quality occurs when comparing low grade granite with higher grades as the excess soft minerals in the stone make it more prone to damage. This low grade granite is usually imported from china and sold through granite liquidators big box stores or cut into tile. Just because granite is a different level doesn t change its great functionality properties. Many different types of rock can be used to make crushed stone.
Mid level of granite usually runs from 50 to 60 per square foot. Almost any type of hard rock is a candidate to make this stone. Grade refers to the structural quality of the stone. What is the price difference of each stone.
Level 1 granite has a very simple design and the colors are standard. Let s go through the different colors designs and prices. Also the country where it is sourced from determines the grade. Slabs with fewer imperfections and defects like pits and fissures have a higher grade assignment.
A low grade granite slab is a thinner cut usually about 3 8 inch it usually requires a piece of plywood backing for more strength. Mid grade granite is imported from india or brazil and generally costs 55 to 70 per square foot at time of publication. Granites of these grades are of the finest quality. The price difference between the grades can be as simple as how easy it is to remove from the earth how easy the stone is to transport from the mine how difficult it is to fabricate or how plentiful the.
Generally speaking commercial grade granite has a lot of soft minerals dispersed throughout and less color variation than higher quality cuts of granite. Of average thickness 3 4 inch granite in the mid.