The final surface preparing technique that is used by Neoseal is scarifying. The scarifying process uses a machine with hammer type rotating blades. These blades beat the floor to remove old coatings and toppers.
As a method of surface preparing scarifying has more disadvantages then the other methods. The surface that is produced is rough and uneven. Diamond grinding is often required to smooth the surface. It is also a dusty process. The process is also slow. The advantage of scarifying is that it can remove heavy coatings that other processes might not be able to remove.