concrete repair products cost per square foot
Video on the cost of concrete floors. Depending on the level of complexity, concrete floors can cost as little as $2 to $6 a square foot or be as expensive as $15 to $30 a square foot. Extensive surface preparation, such as grinding, crack repair, and spall repair, can add as much as $2 per square foot to the overall cost of the floor. 2  If a full resurfacing is needed, expect to tack on another $2 to $3 per square foot (for a $4 to $5 per square foot increase).