To sand drywall, use a screen sander, also known as a pole sander, in circular motions with lots of movement to achieve a smooth, clean finish, being careful not to scrape in only one direction. Sand down drywall, wearing a respirator mask to avoid inhaling the dust, withadvice from a licensed remodeling contractor in this free video on home maintenance. Expert: Tim Gipson Contact: www.inhisstepsremodeling.com Bio: Tim Gipson is a home repair specialist and remodeling contractor in Franklin, Tenn. Filmmaker: Tim Brown