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######### Quick Tips To Start Measuring
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Use a steel measuring tape for accuracy.
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Round each measurement down to the nearest 1/8".
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Measure all windows, even those which appear to be the same size.
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Inside Mount Instructions
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Outside Mount Instructions
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http://cache.americanblinds.com/images/nav/0511_measure.jpg
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These instructions are applicable to all horizontal blinds and shades where you wish to mount 2 or 3 blinds on 1 headrail. They are not applicable for single horizontal blinds and shades or vertical blinds. Customers measuring for single horizontal blinds and shades or vertical blinds should look to our instructions on measuring for inside and outside mounts or measuring by blind type.


Measuring for Inside Mount

Using a steel tape measure, measure the width of the entire window from the inside left of the molding to the inside of the right molding at the top, middle, and bottom. Use the smallest width measurement.

Measure the exact height of the window in 3 places from the inside of the molding to the top of the windowsill or to the exact length that you want the blind. Use the longest height.

Now measure from the far left side of the window to the place where the first window panel ends (left blind) in 3 places (top, middle, and bottom). Use the smallest measurement.

Repeat this step from the place where the first window panel ends to the place where the second window panel ends (center blind) and again from the place where the second panel ends to the far right side of the window (right blind). The total of the 3 panels should equal the entire window width first measured. The factory will make the necessary allowances for the brackets and slightly gap between the panels.


Note: The above example is for a 3-on-1 headrail. If you are ordering a 2-on-1 headrail, omit the center panel step and divide the window into 2 sections only.
Inside Mount

Measuring for Outside Mount

If you order outside mount blinds, make sure your blind is wide enough to cover the entire window opening.

If the blinds are to be mounted to the frame of your window, measure the exact width at the top of your window where the headrail will be installed from the outer edge of the molding to the outer edge of the molding and record measurement, rounding down to the nearest 1/8".

If you want to mount your blind outside the window frame, measure the exact width and height of the area you want to cover. Check your measurements against the size of your window to make sure you've added enough for sufficient overlap (Usually 4" in width, 2" in height).

Now measure from the far left side to the place where the first window panel ends (left blind) in 3 places (top, middle, bottom). Use the smallest measurement. Repeat this step from the place where the first window panel ends to the place where the second window panel ends (center blind), and again from the place where the second panel ends to the far right side (right blind). The total of the 3 panels should equal the entire blind width first measured. The factory will make the necessary allowances for the brackets and slight gap between the panels.


Note: The above example is for a 3-on-1 headrail. If you are ordering a 2-on-1 headrail, omit the center panel step and divide the window into 2 sections only.
Please refer to our stacking thickness chart to determine how much of your window will be covered when your blind is drawn fully open.

When your outside mount blinds are made, no size deductions or additions are made to your measurements.
Outside Mount

 

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