Quartz Countertops Prices: 10 Things I Wish I'd Known Earlier
https://beaucyyt931.home.blog/2019/12/21/15-people-you-oughta-know-in-the-quartz-countertop-installation-industry/
The materials itself is often solely about 12 mm (half of inch) thick so an edge is often created by stacking up two or three layers of the material. The constructed-up edge then may be formed to a rounded edge