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Architect (22 years experience)

Interior Design


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concrete in backyard. How do we measure its size?


If he was talking cubic yards of concrete, not square yards (they order it from the plant in cubic yards). each cubic yard is equal to 27 cubic feet. 1 yard x 3 feet high x 3 feet wide x 3 feet deep x 23 yards of concrete  equals 207 square feet of concrete if you convert 207 square feet of concrete to a continuous 4 " thick slab and you will have to assume this is the case. you get 207 square feet x 3 equals 621 square feet of a 4 " slab of concrete. But then 621 x 7.50 is $4,657.50. Maybe he was working in square yards?... But there's a point to clarify. And a point to talk about with him.