How to measure for installing two separate blinds in one window Menu

Two window blinds on the same headrail

Covering large windows can be a challenge. Sometimes windows are too large for one individual window blind, and hanging two blinds on the same or shared headrail is too much. What’s a DIYer to do?

Try covering your window with two (or three) blinds. When you hang multiple blinds in the same window, each blind has its own headrail and is installed separately, so you can operate them individually.

Here’s how to measure for two or more separate blinds in one window.

For inside mounted wood, faux wood and mini blinds (Note: Factory deductions as shown below are taken on inside mounted treatments only. When hanging multiple outside mounted blinds, follow the same steps, but do not allow for any deductions; just measure and divide by the number of blinds.):

  1. Measure the window in three places (top, middle, bottom), as shown in our measuring instructions.
     
  2. For two (2) separate blinds in one window, take the smallest width and divide it by 2. Then add 1/4" to the width of each blind. (The factory will deduct 1/2" from each blind.)
    Example:
    If your window measures 80" wide, calculate the width of each blind as follows:
    80" ÷ 2 = 40"

    Then add 1/4" to the width of each blind:
    Blind 1 total width: 40" + ¼”= 40 ¼”
    Blind 2 total width: 40" + ¼”= 40 ¼”
     
  3. For three (3) blinds in one window, repeat the same steps.
    Example:
    If your window measures 90” wide, calculate the width of each blind as follows:
    90" ÷ 3 = 30”

    Then add 1/4" to the width of the left and right blind. Do not add anything to the width of the middle blind:
    Left blind total width: 30” + ¼”= 30 ¼
    Middle blind total width: 30
    Right blind total width: 30” + ¼”= 30 ¼

For inside mounted honeycomb shades (Note: Factory deductions as shown below are taken on inside mounted treatments only. When hanging multiple outside mounted blinds, follow the same steps below, but do not allow for any deductions; just measure and divide by the number of blinds.):

  1. Measure the window in three places (top, middle, bottom), as shown in our measuring instructions.
     
  2. For two (2) separate blinds in one window, take the smallest width and divide it by 2. Then add 1/8" to the width of each blind. (The factory will deduct 1/4" from each blind.)
    Example:
    If your window measures 80" wide, calculate the width of each blind as follows:
    80" ÷ 2 = 40"

    Then add 1/8” to the width of each blind:
    Blind 1 total width: 40" + ⅛”= 40 ⅛”
    Blind 2 total width: 40" + ⅛”= 40 ⅛”
     
  3. For three (3) blinds in one window, repeat the same steps.
    Example:
    If your window measures 90” wide, calculate the width of each blind as follows:
    90" ÷ 3 = 30”

    Then add 1/8” to the width of the left and right blind. Do not add anything to the width of the middle blind:
    Left blind total width: 30” + ⅛” = 30 ⅛
    Middle blind total width: 30
    Right blind total width: 30” + ⅛”= 30 ⅛
     

If you have any questions about measuring for or installing multiple blinds on a window, don't hesitate to contact our Customer Loyalty Team. They can also help you create the appearance of a single, cohesive window treatment by ordering a shared valance to neatly tie everything together.

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