Granite Thickness: How Thick Should Granite Countertops.. 1) Two centimeter (2 cm) granite slabswere the previous industry standard. And while some still argue in their favor, 3 cm thickness has become the new standard for kitchen countertops and most other applications. 2 cm granite slabs went out of favor mostly because they involve extra work which. Meer weergeven

Web  The average thickness of granite countertops by today’s standards is 2 cm granite thickness. It used to be the industry standard but has since changed to give way.