Window Blinds and Shade - Measuring

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Measuring Guidelines

Before you measure, consider whether you want to mount your window blinds inside the window frame or outside the window on the wall or trim. When Measuring or entering order's always put Width First then Height.

An inside or recessed mount hangs inside the window frame. The top of the blind does not project out of the window opening. This mount provides a neater, more finished look without hiding wood trim. Guaranteed blinds.com

An outside mount hangs either directly on the wood trim or above and outside the wood trim. With either outside mount, your wood trim is covered when the blind is closed. An inside mount is more common, but an outside mount can make a window appear larger, hide unattractive windows or provide total light control. Guaranteed blinds.com

In addition to personal decorating preference, consider that for an inside mount, your casing or sill must have a minimum depth of 1 ˝" for 1" blinds and 2 ˝" for 2" blinds to be totally recessed.

Inside or Recessed mount:
Measure the exact width of the window opening from the inside of the trim on one side to the inside of the trim on the other side. Some windows are not perfectly square, so measure in three places (top, middle and bottom). Round the measurements down to the nearest 1/8" and record the narrowest (smallest) measurement. The headrail of all inside-mount blinds will be made slightly smaller ( up to 1/2") than requested to allow room for mounting brackets and for operating clearance. Do Not do any Self deductions. If you are unsure call us.

Measure the exact height of the window opening from the inside of the trim to the top of the windowsill or to the exact length that you want the blind to extend. Measure the height in three places (right side, center and left side of the window). Round the measurements down to the nearest 1/8" and record the highest (largest) measurement.

Measure the available depth of your window frame, which means you will not include inside trim, window cranks or tracks. Measure only the space that is available to install the mounting brackets for the blinds.

The type of blind you have chosen will determine the minimum window depth required for a recessed mount (where the blind does not project out of the window opening) or for hanging the blind on the inside of the window (where there is only enough depth to hang the mounting brackets, and the blind will project out of the window opening).

For an outside mount:
Outside mounts attach outside the window opening either on the wood trim or above and on either side of the wood trim.

If you want to mount your window blinds directly to the window frame, measure the exact width of the wood frame itself, from outer edge to outer edge. Round this measurement down to the nearest 1/8".

Measure the exact height from the outer edge of the top of the trim to the top of the windowsill, or to the exact length that you want the blind to extend. Measure the height in three places (right side, center and left side of the window). Round the measurements down to the nearest 1/8" and record the highest (largest) measurement.

If you would like to ensure maximum privacy and minimum light gap, and if you have enough room on each side of your window to permit a wider blind, measure the exact width beyond the wood trim that you would like covered by the blind. With horizontals, wood blinds, pleated and cellular shades, add at least 1" to 3" beyond each side of the window and at least 2 ˝" to 3" to the height. This will allow space for mounting brackets above the opening of the window as well as space to add your desired overlap at the bottom of the window opening. If you specify an outside mount, no deductions will be taken when the blind is manufactured: your blind will be made to the exact measurements you submit.

Whether you mount your blind inside or outside of the window frame, the following tips will help ensure that your blinds fit properly:

1. Always use a metal tape measure. Cloth or plastic may stretch and provide inaccurate measurements.
2. Record measurements in inches only.
3. Record measurements width first, height second (W x H). Be careful not to transpose measurements.
4. Take all your measurements to the nearest 1/8 inch.
5. Measure the exact width of every window in three different places (top, middle and bottom). Use the narrowest measurement.
6. Measure the exact height from the top of the window opening to the bottom sill in three different places (left side, center and right side). Use the longest measurement for all products except vertical blinds (use the shortest height for vertical blinds).
7. Measure all windows, even if they look alike.
8. Double check all measurements. Your blinds are custom made to your specific window size to ensure proper fit.
9. If you have any questions when measuring, please call us at 1-877-421-2525 or contact us for our Professional Measuring and Installation service that will guarantees a perfect fit.

Measuring for Horizontal Wood, Faux Wood and Aluminum Blinds, Pleated Shades, Cellular Shades, and Roller Shades

Roman Shade Note: All Inside Mount Roman Shades will be fabricated with a 1/8" to 1/4" gap between the finished edge of the fabric and the control cord.

Roller Shade Note: To allow the roller shade to operate properly, the fabric will be 1 1/8" narrower than the tip to tip measurement. On all inside mount Roller shades you will have approximately 1/2" light gap on each side of the shade unless there is trim or a window frame to cover this space.

For an inside or recessed mount:
Measure the exact width of the window opening from the inside of the trim on one side to the inside of the trim on the other side. Some windows are not perfectly square, so measure in three places (top, center and bottom). Round the measurements down to the nearest 1/8" and record the narrowest (smallest) measurement. The headrail/valance of all inside mount blinds will be made slightly smaller than requested to allow room for mounting brackets and for operating clearance. Do not take any self deductions.

Measure the exact height of the window opening from the inside of the trim to the top of the windowsill or to the exact length that you want the blind to extend. Measure the height in three places (right side, center, and left side of the window). Round the measurements down to the nearest 1/8" and record the tallest (largest) measurement.

Measure the available depth of your window frame, which means you will not include inside trim, window cranks or tracks. Measure only the space that is available to install the mounting brackets for the blinds.

The type of blind you choose determines the minimum window depth required for a recessed mount (in which the blind does not project out of the window opening) or required to hang the blind on the inside of the window (where there is only enough depth to hang the mounting brackets, and the blind will project out of the window opening). If you have any questions when measuring, please call us at 1-877-421-2525

For an outside mount:
Outside mounts attach outside the window opening either on the wood trim or above and on either side of the wood trim.

If you want to mount your window blinds directly to the window frame, measure the exact width of the wood frame itself, from outer edge to outer edge. Round this measurement down to the nearest 1/8".

Measure the exact height from the outer edge of the top of the trim to the top of the windowsill or to the exact length that you want the blind to extend. Measure the height in three places (right side, center and left side of the window). Round the measurements down to the nearest 1/8" and record the highest (largest) measurement.

If you would like to ensure maximum privacy and minimum light gap, and if you have enough room on each side of your window to permit a wider blind, measure the exact width beyond the wood trim that you would like covered by the blind.

With horizontals, wood blinds, pleated and cellular shades, add at least 1" to 3" beyond each side of the window and at least 2 ˝" to 3" to the height. This will allow space for mounting brackets above the opening of the window as well as space to add your desired overlap at the bottom of the window opening. If you specify an outside mount, no deductions will be taken when the blind is manufactured: your blind will be made to the exact measurements you submit.

Measuring for Vertical Blinds
All vertical blind vanes rotate. They also draw like draperies. You may request a center open/two-way draw, where the vanes stack on both sides of the window; or you may choose a one-way draw, where the vanes stack on either the left or right side of the window. For a sliding glass door or patio door, the best option is a one-way draw with the stack on the opposite side of the door handle.

Guaranteed blinds.com Most vertical blinds are mounted outside of the window frame because they usually require a window opening depth of at least 4 ˝”, and patio door handles protrude and interfere with an inside mount and will ensure complete privacy. However, if you have sufficient window depth, vertical blinds can be mounted inside the window frame.

For an inside or ceiling mount:
An inside mount typically results in the window glass being partially covered by the stacked blinds.

Measure the exact width of the window opening across the top where the headrail is to be installed. Measure from the inside of the trim on one side to the inside of the trim on the other side. Round the measurement down to the nearest 1/8". The headrail of all inside mount blinds will be made slightly smaller than requested to allow room for mounting brackets and for operating clearance.

Measure the exact height of the window opening from the inside of the trim to the top of the windowsill or to the exact length that you want the blind to extend. Do not measure existing vanes, We deduct for headrail insertion from your vane measurement and this will cause the vanes to be too short. Measure the height in three places (right side, center and left side of the window). Round the measurements down to the nearest 1/8" and record the highest (largest) measurement.

Measure the available depth of your window frame, which means you will not include inside trim, window cranks or tracks. Measure only the space that is available to install the mounting brackets for the blinds.

The type of vertical blind you have chosen will determine the minimum window depth required to have a recessed mount so the blind does not project out of the window opening. If you are looking for complete privacy without gaps choose an outside mount.

For an outside or wall mount:
If you specify an outside or wall mount, the blinds will be manufactured to the exact size that you specify. The factory will not take any size deductions.

Depending on the available wall space, you may be able to have the blinds stack completely off the window glass when they are opened.

Measure the width of the window opening including trim. If wall space is available, add at least 4" to each side for overlap to ensure minimum light gap.

If you have any questions about measuring for your blinds, please call us at 1-877-421-2525—we’ll be glad to assist you and eevn recomend a Measuring and Installation Professional that will guarantee a perfect fit.