Drill-Mount Shade Measuring Guide

Inside Mount

Step 1: Check Window Depth (Important!)
Your window frame must have a minimum depth of 3.2 inches for the shade to mount securely.

Step 2: Measure Width & Height

Measuring the width

To determine the width, measure from left to right on the top, middle, and the bottom. Use the smallest width out of those numbers.
f you get a 1/16” or 1/32” increment, round down to the nearest 1/8”. (For example, if the smallest measurement is 24 9/16", round down to 24 1/2". If it's 24 3/8", no need to round down.)

Measuring the height

Measure the inside height at the left, center, and right of the window. Use the largest of the three numbers.
If you get a 1/16” or 1/32” increment, round down to the nearest 1/8”. (For example, if the smallest measurement is 24 9/16", round down to 24 1/2". If it's 24 3/8", no need to round down.)

Enter the actual measurements you took.

We will automatically deduct 0.4" from those dimensions to ensure a perfect fit.

After placing your order:
Please add a note at checkout that says “Inside Mount”. This helps us confirm everything before manufacturing.

Outside Mount

An outside mount is a great choice for better light coverage, since it fully covers the window and frame. To get the right fit, you’ll need to account for a few extra measurements when placing your order. We’ll custom make your shade to the exact dimensions you provide—no automatic additions are made.

Measuring the width
Begin by measuring the exact width of the window opening in three main places (top, middle, and bottom).

Record the largest width out of the 3 measurements.
You’ll use that measurement and add the recommended minimum of 4 inches. This will ensure the window is properly covered. For more light coverage and privacy, add even more to the measurement.
When ordering, use this final number for the width.

Measuring the height

Measuring the height is easy. Simply measure the height of the window in three places, including the top left, the middle, and the top right, all ending at the bottom of the sill. You’ll use the largest of the three measurements and add the recommended minimum of 4 inches. This will ensure the window is properly covered.
The final number you come up with will be the height you use when placing your order.

Not sure? Send us (hello@incustom.com) a quick photo of your window and I’ll help you decide. 😊

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