Interactive Window Measuring Guide

Measure once, fit perfectly! Toggle your mounting style below to see where and how to measure your windows using our interactive vector diagram.

Inside Recess Measurements
Width Top Width Mid Width Bot Height L Height M Height R
šŸ’” Tip: Measure in three spots because frames are rarely perfectly straight.

Measuring for Inside Mount

Inside mount window treatments sit flush inside the window frame casing, showcasing your decorative moldings. They offer the cleanest appearance.

Step 1: Measure Casing Width

Measure the exact width inside the casing at 3 spots: Top, Middle, and Bottom. Record the smallest width. Note: We subtract 0.25 inches from this width for operating clearance.

Step 2: Measure Casing Height

Measure the exact height inside the casing at 3 spots: Left, Middle, and Right. Record the largest height.

Step 3: Verify Casing Depth

Measure the depth of your recess. A minimum casing depth of 4 inches is required for a clean inside mount installation.

šŸ“ General Measuring Rules
Always use a heavy metal/steel tape measure. Never use a flexible fabric tape ruler.
Measure down to the nearest 1/8th of an inch. Do not round up or down to whole inches.
Write down dimensions as Width x Height (W x H) to avoid ordering inverted blinds.
Verify Casing Depth Requirements

Select your blind type to instantly check the minimum casing depth required for a clean inside mount installation.

Min Depth: 4.0"
Chat with us WhatsApp