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How to repair vertical blind mechanisms

Updated April 17, 2017

Vertical blinds are window treatments that have slats that run up and down, or vertically, instead of across the window as Venetian blinds do. This means that there is less that can go wrong in the day-to-day operation of your blinds. However, even the highest quality vertical blinds will begin to show signs of wear and tear after a long period of use. Repairing the existing blinds is a lot less expensive than buying new ones.

Clean the mechanism with an all-purpose cleaner. See if there is any debris, tape or cord thread stuck in the mechanism. If this does not clear up the problem, proceed to Step 2.

Remove the blinds from whatever is holding them onto the wall or window casing, and lay them flat on a table or work surface.

Locate the strips that hold the tape or cord in place on the bar at the bottom of the blinds. Remove them by gently prying them open.

Remove the end caps from the bottom bar so that you can see the ends of the cord or tape. Untie the knots that hold the cord or tape in place and remove the bar.

Remove all the old tape or cord and fasten new cord according to the directions on the package.

Thread the new cord or tape through the slats of the vertical blinds, and pull them gently through until all the slats have the new cord or tape. Attach the cord or tape to the bottom bar and slide the bar back into place.

Install the equalising buckle across the adjustment loop and check that it is even. Re-hang the blinds.

Tip

When initially buying the verticals, buy a string, tape or cords in case they do have to be replaced.

Warning

Read labels on cleaning solutions that you will use on your vertical blinds, in case, depending on what the blinds are made from, certain ingredients should not be used.

Things You'll Need

  • All-purpose cleaner
  • Vertical hanging kit
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About the Author

Based in Princeton, N.J., Jim Stewart has been writing travel- and business-related articles since 1987. His work has appeared in “Inc.” and “Business 2.0” magazines and online at Wired. Stewart received the John Goldenberg Award in 2007. He holds a Bachelor of Arts in English from The Ohio State University in Ohio.