Shade Measuring Instruction

Welcome to our guide on measuring for your new shades!

Before measuring windows for blinds or shades, you need to decide which mounting style is best for your space. Inside mounts fit within the window frame, offering a clean look, while outside mounts install outside the frame, making windows appear larger and providing more coverage. Both options have unique benefits and are suitable for different situations.

Inside Mount VS. Outside Mount: Which One Should I Choose?

Inside Mount

Outside Mount

Inside Mount Your Window Treatments When:

Enough window depth for inside mount.
To get a sleek and minimalist aesthetic for your space.
The window trim is visually appealing and should be highlighted rather than concealed.
You prefer window treatments that blend seamlessly with the wall without protruding.
The windows have sturdy frames capable of supporting the mounting hardware.
The house is relatively new, with well-shaped rectangular windows.
The window sill extends outward, complicating the use of an outside mount.

Outside Mount Your Window Treatments When:

The window depth is not enough, also is irregularly shaped, unsuitable for an inside mount.
The objective is to cover unattractive window trim and refresh the window’s appearance.
Maximum light-blocking capability is required when the shades are drawn.
The window frame is too fragile or shallow to support an inside mount.
Privacy is a primary concern, and the shades need to block external view when closed.
The goal is to create the impression of taller, larger windows.
When rolled up, the window treatment should be as unobtrusive as possible.

Measure the Window for Inside Mount

① Measure the Depth

Measure the depth at the top of the inside window casing to ensure adequate space for a secure inside mount. This measurement will also determine if a flush mount, where the product sits within the window frame without protruding, is possible. A minimum depth of different shades varies, kindly check the format below for the information of depth requirements for different shades, which is necessary for an inside mount.

② Measure the Width

For Shades: Due to potential irregularities in window shapes, it is recommended to measure the window at three places: across the top, middle, and bottom. Round each measurement down to the nearest 1/8 inch when ordering.

③ Measure the Length

To determine the length, also measure the window in three locations: across the left, center, and right. Use the largest of these measurements as your ordering length. Round each measurement down to the nearest 1/8 inch when ordering.

measure the window- dimensions for shades and blinds inside-mount

Note on Deduction

To ensure the shade fits correctly, take the smallest of these measurements and consider deduction requirements to get the final width measurement.

For Roman Shades and Bamboo Shades, headrail width = ordered width (after deduction 3/8 inch from window frame)
For Roller Shades and Zebra Shades, headrail width = ordered width (after deduction 3/8 inch from window frame)
For Cellular Shades and Venetian Shades, headrail width = ordered width (after deduction 1/4 inch from window frame)

Note on Side Gaps

Slight gaps on both sides of shades exist because the shade material is slightly narrower than the headrail. This design allows the shade to roll up and down smoothly without obstruction.

For Roman Shades and Bamboo Shades, Fabric Width = Ordered Width
For Roller Shades and Zebra Shades, Fabric Width = Ordered Width - 1 1/2 inches
For Cellular Shades and Venetian Shades, Fabric Width = Ordered Width - 1/4 inch

Tips for Inside Mount

Confirm if your window has enough depth for an inside mount. If not, no worries! You can switch to an outside mount or explore other suitable products.
Examine the window frame or casing to make sure it’s strong enough to drill into directly.

ALL SET? FIND YOUR SHADES!

Measure the Window for Outside Mount

① Check the Space

Measure the height of the area above the window where the headrail of the shade will be mounted. Confirm that the space is sufficient to guarantee a secure and proper installation of the brackets and headrail.

② Measure the Width

Measure the width of the window. For framed windows, measure from the outer edge of the frame or trim. If space permits, it is recommended to add 2-4 inches (1-2 inches on each side) to this measurement to reduce light leakage. This adjusted measurement will be your ordering width, representing the overall width of the shade.

③ Measure the Length

Measure the height of the window(Frame outer edge to edge). If space permits, it is recommended to mount the shade at least 10-12 inches above the window frame to account for its stack height when fully rolled up and to maximize the window's exposure.

measure the window dimensions for shades and blinds outside mount

Tips for Outside Mount

Allow Extra Space:When measuring for outside mount shades, account for the headrail and mounting brackets. To ensure optimal light control and privacy, add enough extra width to completely cover the trim/frame. If there is no trim, add a minimum of two inches on each side for a total of four extra inches.
Create the Illusion of a Larger Window:Extending the blinds outside the window not only provides space for the mounts but also makes the window appear larger than it is, adding a sense of grandeur to your space.
Check Mounting Space:Outside mounts require a flat surface of at least 2 inches above the window or frame to accommodate the mounting brackets. Ensure you have enough space available before proceeding with an outside mount.
Consider Projection Brackets:If your window has frame molding that might obstruct the blinds, projection brackets can help by extending the blinds further away from the window frame, allowing clearance for the molding.

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