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Minimum cost - $20 per square foot. Maximum cost - $100 per square foot. The cost of terrazzo flooring is directly related to the materials out of which the floor itself is made. Since terrazzo flooring is made out of little chips and pieces of other materials, some terrazzo flooring costs more than others.
When the terrazzo is thoroughly cured, helpers grind it with a terrazzo grinder, which is somewhat like a floor polisher, only much heavier. Slight depressions left by the grinding are filled with a matching grout material and hand-troweled for a smooth, uniform surface; it is then cleaned, polished, and sealed.