Over time, the rich colour & texture of wooden floors may fade. Thornton Flooring can restore your wooden floors to their former glory. Using a dust dree sanding machine to remove the protective layer from your floor, making it smooth, clean and ready to apply a new finish. It is recommended that the engineered plank flooring should be installed by means of direct gluing to the subfloor, however 21mm thick engineered flooring can be directly nailed to joists if they are at 400mm centres or less.