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๐Ÿ“ Architectural Sizing & Measurement Protocol

How to Measure Windows for Custom Blinds

Accurate measurements of your windowโ€™s width and height are essential for perfectly fitting bespoke window blinds. Follow our factory-grade 3-step measuring protocol for either Inside Recess or Outside Frame mounts.

Compare Mount Styles ๐Ÿ“ View Measuring FAQ ๐Ÿ’ก ๐Ÿ’ฌ WhatsApp Sizing Engineer
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Step 1: Gather Your Tools

Before you begin measuring for your custom window blinds, make sure you have the right equipment on hand:

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Steel Measuring Tape

Always use a rigid metal tape measure. Fabric or cloth tailor tapes stretch over span, introducing up to 1โ€“2 inch errors.

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Pencil & Notepad

Note down measurements in the format Width x Height in inches. Clearly label rooms (e.g. โ€œLiving Room Leftโ€).

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Sturdy Step Stool / Ladder

Ensure safe, level eye-height when taking top jamb measurements, especially for high-ceiling architectural windows.

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Step 2: Decide on Mount Style

Your choice of mount style determines how your custom blinds fit and how light is controlled. Click below to view detailed requirements for each:

Option A โ€ข Inside Window Frame

Inside Recess Mount

The blind fits neatly inside the window casing, creating an uncluttered built-in look that highlights window woodwork, architraves, and deep sills.

How to Measure for Inside Mount:
  • Measure Width: Measure the exact inner width at the Top, Middle, and Bottom of the window opening. Write down the narrowest measurement.
  • Measure Height: Measure from the inside top jamb down to the sill at Left, Center, and Right. Record the longest measurement.
  • Check Window Depth: Minimum casing depth of 65 mm (2.5 inches) is required for mounting brackets to sit flush.
  • Factory Allowance: Do NOT deduct anything yourself! Enter your exact window opening width. Our factory automatically deducts approximately 1/4 inch (6โ€“8mm) so the blind operates effortlessly without rubbing.
โœ“ Best for modern apartments, recessed window frames, and sleek minimalist decor.
Inside Mount vs Outside Mount window blind measurement diagram

Illustration: Inside Mount (Left) vs Outside Mount (Right)

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Step 3: Expert Precision Tips

1. Round to Nearest 1/8 Inch

Always round your numbers to the nearest 1/8th of an inch for millimeter precision in automated cutting.

2. Measure Every Window Separately

Even if windows look identical side-by-side, wall plaster variations can cause 1/2" to 1" differences between openings.

3. Account for Window Handles

Notice if window crank handles or locks project outwards into the blindโ€™s drop path. If so, choose Outside Mount or reverse-roll.

4. Clearly Label Each Window

Label your order items by room (โ€œMaster Bedroom 1โ€, โ€œKids Study Windowโ€) so your custom packages arrive marked for quick installation.

๐Ÿ’ก Measuring Knowledgebase

Frequently Asked Measuring Questions

Get immediate answers to common questions about window depths, deductions, and unusual window geometries.

For standard roller and zebra blinds, you need at least 2.5 inches (65 mm) of recessed depth for the mounting brackets to fit flush inside the window opening. If you have less than 2.5 inches, choose an Outside Mount to mount the brackets securely on the wall or ceiling above the window.

No, do not make any deductions yourself! Always enter your exact window casing measurements into our product calculator. Our automated manufacturing line applies the required 1/4 inch (6โ€“8mm) clearance deduction automatically. If you deduct it yourself, the blind may end up too narrow with light leakage at the sides.

It is very common for window frames to vary slightly. Always measure the width at the Top, Middle, and Bottom. For an Inside Mount, use the narrowest measurement so the blind cassette doesn't jam. For the height, use the longest measurement so the bottom bar reaches the sill completely.

Measuring for motorized blinds follows the exact same 3-point protocol as manual chain blinds. The tubular motor is enclosed completely inside the aluminum top roller tube and requires no extra bracket depth. Simply indicate which side your power point is located if selecting hardwired AC motors, or choose our rechargeable lithium battery motors that require zero electrical wiring.

Yes! In Bhopal, we offer direct doorstep measurement visits with physical fabric sample books. Across other Indian cities, our sizing engineers provide complimentary 1-on-1 video call measurement guidance via WhatsApp (+91 8319299274). You can also send us photos of your windows for immediate verification.

Now Ready to Order Your Custom Fit Blinds?

Input your dimensions into our live visualizer and instant price calculators. Every blind is precision laser-cut to your exact millimeter specifications.

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