In this video, This Old House general contractor Tom Silva explains how to open a painted window.

Project details

Skill

Cost

Estimated Time

How to Open a Window That’s Been Painted Shut

  • Slide a putty knife between the stop bead and window sash to cut through the paint seal.
  • Use putty knife to open the joint between the bottom sash and stool (windowsill).
  • Slide putty knife along the meeting rail where the top and bottom sash meet.
  • Try lifting the sash; if it’s still stuck, move on to the next step.
  • Force a putty knife behind window stop; if necessary, use two or more knives.
  • Carefully pry the stop from the side jamb using a small flat pry bar.
  • Use a hammer to pull any nails from the jambs.
  • With one stop removed, try lifting the sash.
  • If the sash doesn’t budge, remove the opposite window stop.
  • With both stops removed, gently wiggle the sash free of the window frame.
  • Cut the sash cords and remove the sash.
  • Scrape the sash of all loose paint, then sand it smooth.
  • Prime and repaint the sash.
  • Install new sash cords and replace the sash and window stops.

Tools

Tools & Materials

  • Putty knife
  • Hammer
  • Flat pry bar
  • Flush cut saw
  • Utility knife
  • Paint scraper