The best way to answer this question is to take into account all the factors surrounding sanding. For instance, the thickness of the floor is a major factor that can determine how many times it can be sanded. Also, the people carrying out the sanding job will be factored in. Generally, if there is a significant blemish on the floor, sanding will be applied to take care of it. If you are particularly worried about your floor, call us and we’ll take some details to help answer your questions more effectively.