How to Replace Vertical Sliders on Windows


Vertical sliding windows move up and down along a track located within the window frame. The track ensures that the vertical slider, otherwise known as the front window pane, will not move in any direction other than up and down. This limited movement becomes troublesome when you have to remove the vertical slider for replacement. Since the slider must be angled forward for removal, parts of the window assembly also have to be removed temporarily to allow the extra freedom of movement necessary for this project.

Things You'll Need

  • Flathead screwdriver
  • Measuring tape
  • Mild soap
  • Rag
  • Screwdriver
  • Unlock the front vertical slider so it can move freely on the track. The lock is located on top of the slider and uses a tab mechanism that can be moved side-to-side.

  • Remove the two screws located at the top of the window's side rails with a screwdriver. These screws are an anti-theft feature that prevent the window from being opened from the outside. Their removal helps increase the vertical slider's movement along the track.

  • Lift up the vertical slider to expose the rubber stoppers inside the track. Pry these stoppers loose with a flat tool such as a flathead screwdriver. Hold up the window with one hand while you're working or, better yet, get the help of another person to keep the slider in the up position.

  • Pull the slider down while gently pulling it towards you. Angling the window in this manner allows the slider to slide right off its tracks.

  • Take the vertical slider to a home repair store and compare it to other sliders. Match up the new slider exactly so it can fit in your window. Bring a measuring tape with you to get exact measurements.

  • Clean off the window track with a rag, mild soap and water before placing on the new slider. Dirt and other debris can cause friction when sliding the new slider up and down.

  • Insert the new vertical slider by angling it onto the track and reinserting the old rubber stoppers. Push them back into their old spot. They will lodge into place. Reinstall the two screws located at the top of the window's side rails with a screwdriver.

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  • Photo Credit Jupiterimages/Creatas/Getty Images
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