average cost to polish concrete per square meter
Concrete polishing starts at around $50-$75 per square metre for a grind and seal or honed finish on an existing concrete slab. If you want to have the slab poured and mechanically sealed, it will depend on several factors.oncrete polishing starts at around $50-$75 per square metre for a grind and seal or honed finish on an existing concrete slab. If you want to have the slab poured and mechanically sealed, it will depend on several factors.