The mining industry spans the globe, as do alumni of the University of Arizona mining and geological engineering program. Many got their feet wet working as interns for Arizona-based mining companies like Freeport-McMoRan.
Weight A 1 Â½ inch thick countertop made of standard concrete has an approximate weight of 18.75 pounds per square foot. (Granite is approximately 18 pounds per square foot.) Standard cabinetry will typically support this weight because itâs distributed over a large area.
Concrete countertop cost: $75-$125 per square foot for most installations, though costs can be slightly higher for complex concrete designs Maintenance costs: Moderate to high How to save money on concrete countertops: Keep the design simple using rectangular sections and straight lines with a square or slightly rounded edge.