Shop for Professional Concrete Polisher and Grinder at DTW. Global leading brands such as Husqvarna and Sima floor surface preparation concrete grinders and scarifiers. Get the best concrete surface finish when you use our powerful Concrete Wet and Dry Grinders for Surface Preparation. Scarify, grind and polish concrete to perfection. Husqvarna Concrete Polishers give the best results in combination with the Hiperfloor® concrete floor polishing system.