Most People Fail This House Painter Basics Quiz— Do You?Share:FacebookPinterestTwitterMailWhich step uses a putty knife before painting?45%Next Correct Incorrect A putty knife helps press filler into small dents or nail holes and scrape it level before paint goes on. Which step uses a putty knife before painting? Taping baseboards Sealing trim gaps Spraying large fences Spreading wall filler 45%