How to Install Vertical Blinds

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Vertical blinds often used to cover sliding glass doors or large windows. When measuring and ordering vertical blinds, you should decide whether you want them mounted inside the door or window frame, or on brackets outside the frame. Here's how to install vertical blinds using either method.

Method 1
Method 1 of 3:

Mounting Inside the Window Frame

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  1. The valance is L-shaped so the top surface can be mounted inside the upper frame and the front of the valance will hide the headrail.
    • Place the valance on a flat surface with the front of the valance in an upright position.
    • Measure 3 inches (7.6 cm) from each end and position each bracket so the top edge is against the upright valance.
    • Use a pencil to mark the 2 screw holes in each bracket.
    • Predrill the four holes, with a smaller bit than the actual screws you will use for the screws (if possible).
  2. Mark holes for the brackets on the inside of the upper frame of the door or window. [1]
    • Measure 3 inches (7.6 cm) from the side of the frame and 1 inch (2.5 cm) out from the glass.
    • Hold the first bracket in place, place a screw in the first hole and tap with a hammer to make a mark. Make another mark in the second hold.
    • Repeat on the other side for the second bracket.
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  3. Attach the valance and brackets to the inside frame. [2]
    • Position the valance in the window so the marks you made in the upper frame are visible through the holes you drilled in the valance.
    • Have a helper hold the valance while you attach the screws through the bracket and valance.
    • Repeat. Repeat on the other side for the second bracket.
  4. Snap the blinds head rail into the brackets by hooking the front end into the clip and then lifting the back end until it clicks into place.
  5. If you don't know how, see the section on attaching the vanes later in the article.
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Method 2
Method 2 of 3:

Mounting Outside the Window Frame

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  1. Determine the placement of the blinds' headrail over the window.
    • Pick a point under the window, but near the center, where you want the bottom of the blinds to reach.
    • From that point, measure the height of the blinds up to the top of the window and make a pencil mark.
  2. You'll need a helper for this step. [3]
    • Have a helper place the headrail directly on the pencil mark, while you check that's it's straight with a level.
    • Measure 4 inches (10 cm) from the end of the headrail and make a pencil mark directly over the headrail.
    • Repeat on the other end for the second bracket.
    • If installing vertical blinds wider than 62 inches (1.5 m), mark the positioning of the additional support brackets provided.
  3. If the brackets are being attached to drywall rather than a wood frame around the window, drill a hole and insert wall anchors first. [4]
  4. Hook the headrail onto the brackets.
  5. If you don't know how, follow the instruction in the section on attaching the vanes later in the article.
  6. Add a valance, if you want one and one was included.
    • Push the corners onto either end of the front piece of the valance, and then attach the side pieces.
    • Snap the provided clips along the headrail.
    • Slide the valance into the clips.
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Method 3
Method 3 of 3:

Attaching the Vanes

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  1. Pull the cord on the blinds to evenly space the stems that will hold the individual vanes (or louvers).
  2. Rotate the stems so you can see the slits.
  3. Take the first vane and push the end with a hole up into the slit until the hook catches in the hole. [5]
  4. Using the same technique, attach the remaining vanes, making sure they all face the same direction (if they're curved). Test the stems when you're done.
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Community Q&A

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  • Question
    What would cause the slats on my blinds not to turn?
    Community Answer
    If they are not caught on something on the bottom, it likely is an issue with the top gears.
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    Not Helpful 5 Helpful 11
  • Question
    The holes in the wall are too big from previous installation. How do you fix that?
    Community Answer
    You can fill in the holes with spackle and re-drill, or you could try plastic anchors for your screws.
    Thanks! We're glad this was helpful.
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    If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow
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    Not Helpful 1 Helpful 6
  • Question
    What's the best way to hang vertical blind slats when they are too long?
    Community Answer
    Either hang them higher so they don't touch the ground, or trim the ends (which I don't recommend). The best thing to do would be to just buy blind slats that fit correctly.
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      Tips

      • Use the inside mount installation instructions to mount vertical blinds to the ceiling.
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      • Check the packaging to make sure all the necessary hardware is included before you begin to install vertical blinds.
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      Things You'll Need

      • Tape measure
      • Pencil
      • Cordless drill
      • Screwdriver attachment for drill
      • Hammer
      • Level
      • Wall anchors (optional)
      • Stepladder


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      References

      1. ↑ https://www.levolor.com/how-to-install-vertical-custom/
      2. ↑ https://www.baliblinds.com/globalassets/3.-documents/installation-instructions/bali-vertical-blinds-installation-instructions-angled-headrail-inside-ceiling-mount.pdf
      3. ↑ https://www.baliblinds.com/globalassets/3.-documents/installation-instructions/bali-vertical-blinds-installation-instructions-angled-headrail-outside-mount.pdf
      4. ↑ https://www.baliblinds.com/globalassets/3.-documents/installation-instructions/bali-vertical-blinds-installation-instructions-angled-headrail-outside-mount.pdf
      5. ↑ https://www.bunnings.com.au/diy-advice/home-improvement/blinds-curtains/how-to-install-vertical-blinds

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