Advantages and Disadvantage of a Drywall Sander or Polisher Home Improvement by Lisa Dean - May 29, 2018May 29, 20180 The advantages of a drywall sander are the faster gypsum board can sand down. Especially for blankets, the Long Neck is very practical. The fact that you can connect a vacuum cleaner creates less dust. If you decide that you want to buy a drywall sander, you should consider a few things. This includes