| Where to Mount Your Blinds 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. - An inside or recessed mount hangs inside the window frame. The top of the blind does not project out of the window opening and provides a neater, more finished look without hiding wood trim.
- An outside mount hangs either directly on the wood trim or above and outside the wood trim on either side. In either outside mount situation, your wood trim is covered when the blind is closed. Although an inside mount is usually preferred, an outside mount can make a window appear larger, hide unattractive windows or provide total light control.
- In addition to personal decorating preference, consider that for an inside mount, your casing or sill must have a minimum depth of 1 ½" for 1" blinds and 2 ½" for 2" blinds to be totally recessed.
Important Things to Remember Whether you decide to mount your blind inside or outside of the window frame, here are common guidelines that will help you ensure that your blinds fit properly: - 1. Always use a metal tape measure. Cloth or plastic may stretch providing inaccurate measurements.
2. Record measurements in inches. 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 and write it down. 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). Write down the appropriate measurement. 7. For inside mount blinds, the finished width will be made slightly smaller (1/16" to 3/8") than your measurements to allow for operating clearance. The deductions are made so that the blind will not rub on the window frame. There are no deductions taken for outside mount blinds, these will be made to your exact measurements. 8. Measure all windows, even if they look alike. 9. Double check all measurements. Your blinds will be made for your specific window size, so be sure that they will fit properly. 10. If necessary, request extension brackets to clear obstructions or hold-down brackets for door applications.
If you have any questions when measuring, please call us at 1-469-855-8086.
Measuring for Horizontal Wood, Faux Wood and Aluminum Blinds, Pleated Shades, Cellular Shades, and Roller Shades Click here for a printable measuring worksheet  For an inside or recessed mount:
Measure the exact width of the window opening from the inside of the trim to the inside of the trim on the other side. As some windows are not a perfect square, take this measurement in three places (top, middle and bottom). Round the measurements down to the nearest 1/8" and record the narrowest (smallest) measurement on the measuring worksheet. The headrail of all inside mount blinds will be made slightly smaller (1/16" to 3/8") 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. Measure the height in three places (the right side, the middle, and the left side of the window). Round the measurements down to the nearest 1/8" and record the shortest (smallest) measurement on the measuring worksheet. Measure the available depth of your window frame. Be careful not to include inside trim, window cranks or tracks. Measure only the space that is available to install the mounting brackets for the blinds. Record the measurement on the measuring worksheet. Refer to the Things You Should Know section for the type of blind you have chosen to determine the minimum window depth required to have a recessed mount (where the blind does not project out of the window opening) or 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).  For an outside mount:
Outside mounts hang 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, then measure the exact width of the wood frame itself from outer edge to outer edge. Round this measurement down to the nearest 1/8" and record it on your measuring worksheet. 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. Measure the height in three places (the right side, the middle and left side of the window). Round the measurements down to the nearest 1/8" and record the shortest (smallest) measurement on your measuring worksheet. If you have enough room on each side of your window and would like to ensure maximum privacy and minimum light gap, measure the exact width beyond the wood trim that you would like to have the blind cover. With horizontals, wood blinds, pleated and cellular shades, it is generally recommended to add at least 1" to 3" beyond each side of the window and at least 2 ½" to 3" to the height to allow space for mounting brackets above the opening of the window and to add your desired overlap at the bottom of the window opening. If you specify an outside mount, there will not be any deductions taken when the blind is manufactured - your blind will be made to the exact size that you specify.
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 a one-way draw where the vanes stack on either the left or right side of the window. For a sliding glass door (ie. patio doors), we suggest a one-way draw with the stack on the opposite side of the door handle. 
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