Low grade granite referred to as commercial or second choice has excess soft minerals mixed into the stone and less color variation than higher rated products.
What is higher grade than granite.
There is no hard and fast rule for what makes one granite a higher grade than the other but the grading stays relatively consistent across the industry.
Entry level granite tends to be very uniform in colors and pattern and is often sold in thinner slabs of only about 3 8ths of an inch thick.
Commercial grade granite tends to be softer in minerals and has less variety of colors than mid grade or high quality granite.
Low grade granite is typically less than inch thick and often requires a piece of plywood backing to provide additional strength.
There are generally three levels of granite which include commercial builder grade granite mid grade granite and high quality granite.
Mid grade granite features clear.
In addition to durability thicker granite provides a higher quality and more substantial look than that of thinner granite.
Granite is given its grade based on the retailer s standards.
The highest quality granite.