How to Measure for Motorized Cellular Shades

Get step-by-step guidance on how to measure your windows for Kurlax Motorized Cellular Shades — whether you choose an inside or outside mount, we make it simple.

What You’ll Need

  • measuring_tape

    Measuring Tape

    For accurate window dimensions

  • note_alt

    Pencil and Paper

    To record your measurements

  • group

    A friend to help

    Assist with measuring

    Inside Mount: 3 Easy Steps to Measure

    A precise measurement is the key to a perfect fit. Inside mount motorized cellular shades sit inside your window frame for a clean, built-in look.

    Step 1: Measure Window Recess Depth

    Before measuring width or height, check the window recess depth to ensure enough space for the headrail.

    • Minimum Required Depth: 2" (5 cm)
    • How to Measure: From the front edge of the window opening (closest to the room) to the deepest point inside the recess.

    Tip:

    1. For smooth shade operation, your window recess should be at least 2" (5 cm) deep.
    2. For recess depths under 2" (5 cm), choose an outside mount. See our Outside Mount Measurement Guide for details.

    Watch for Obstructions

    Common window obstacles include:

    • Window handles
    • Locks or latches
    • Cranks or winders
    • Trim or frame details

    Even with a deep window frame, these obstacles may prevent the shade from closing properly.

    Measure with Obstacles

    Even if your window recess is deep, handles, locks, or cranks can interfere with installation or stop your shades from closing properly.

    To determine the unobstructed recess space, follow these steps:

    1. Measure the total recess depth from the front edge to the window glass.
    2. Measure the distance from the window glass to the obstruction (e.g., handle or lock).
    3. Subtract the obstruction depth from the total recess depth to find the clear space.

    Tip:

    1. To ensure smooth operation, your window recess needs at least 2" (5 cm) of unobstructed depth.
    2. For unobstructed depth under 2" (5 cm), choose an outside mount. See our Outside Mount Measurement Guide for details.

    Step 2: Measure Window Width

    Windows are rarely perfectly square, so measure in three spots to get the most accurate width for your motorized cellular shades:

    • Top of the window recess
    • Middle of the recess
    • Bottom of the recess

    Record the narrowest measurement. This ensures your cellular shades fit snugly without rubbing or binding.

    Step 3: Measure Window Height

    Measure the height of the window recess at three points:

    • Left of the window recess
    • Middle of the window recess
    • Right of the window recess

    Record the shortest measurement to guarantee a perfect fit, even if your window isn’t completely level.

    Outside Mount: 2 Simple Steps

    An outside mount fully covers the window and can block more light. This is ideal if you want maximum privacy or light control.

    Step 1: Measure Width

    Measure the width of the area you want to cover. For full coverage and to prevent light gaps, we recommend adding 2–3 inches (5–7.5 cm) on each side beyond the window frame.

    Step 2: Measure Height

    Measure from the top of the desired coverage area to the bottom edge. Allow at least 2 inches (5 cm) above the window frame for mounting brackets.

    Measuring tape straight in window recess to avoid angled measurements or bent tape

    Avoid These Common Measuring Mistakes

    • Fabric tape: Use a steel measuring tape instead of a fabric one for accurate results.
    • Glass-only measurement: Measure the full window recess, not just the glass area.
    • Self deductions: Don’t make your own size deductions — we’ll adjust during production.
    • Missed obstructions: Always check for handles, locks, or trim before taking final measurements.
    • Angled measurements: Always measure straight along the window recess, not at an angle.
    • Bent tape: Keep the measuring tape flat and straight for precise readings.

    Ready to Order Your Custom Motorized Cellular Shades?

    Enjoy a perfect fit, whisper-quiet operation, and smart control in any room. Start your order today.

    Shop Now

    FAQs

    A: A steel tape, pencil, paper (or phone notes), and A friend. Avoid soft fabric tapes. No special tools are required.

    A: Yes! Send your measurements to service@kurlax.com, and our experts will verify them before production to ensure a perfect fit.

    A: Measure to the nearest ¹⁄₁₆ inch (1.5 mm). Precision matters for smooth operation and a perfect fit.

    A: Take three measurements for width and height (top, middle, bottom / left, center, right) and use the smallest measurement to ensure your motorized cellular shades fit properly.

    A: Yes, but you must measure the clear recess space and account for obstructions. Our guide shows how to subtract obstacle depth from total recess depth.

    A: At least 2 inches (5 cm) of unobstructed space is needed for smooth installation of Kurlax motorized cellular shades.

    A: Absolutely! Outside mount shades can extend beyond the window frame to block more light or cover irregular openings.

    A: Yes. They work with Amazon Alexa and Google Assistant. You can control shades via remote, voice, or app.

    A: Kurlax shades use whisper-quiet motors, ideal for bedrooms, media rooms, or offices.

    A: Not at the moment. Currently, Kurlax motorized cellular shades do not support manual operation during a power outage. This feature is planned for future models.

    A: All shades are custom-made. Production typically takes 3–5 business days, and we hold your order for 24 hours for any last-minute changes.

    A: For total blackout, choose outside mount. Inside mount gives a sleek, built-in look.

    A: Yes—just make sure you have enough depth for the motor headrail.

    A: No. Follow this guide and you’ll be done in under 10 minutes!

    (DIY window measuring, easy home measurement)

    A: Visit our Installation Guide for step-by-step setup instructions.

    A: Yes, even similar windows can vary by ⅛ inch. Always measure each one.

    A: Add at least 2 inches on each side and 3 inches above for best coverage.

    Customer receiving guidance for window measurement from support team

    Need More Help?

    If you’re unsure about your measurements, our support team is here to guide you through the process.
    Contact us at service@kurlax.com
    or visit our Installation Guide to see how easy it is to set up your new motorized shades.

    Get Expert Help