How to measure for Ultra Blackout Blinds
Get a great night's sleep with our Ultra Blackout blinds. Our guide below will help you measure and order in no time at all!
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Try our Ultra Blackout fitting guide here.
Measuring for your blind
You will need a metal tape measure and a pen/pencil.
Measuring width
Take 3 measurements across the width of the top, middle and bottom of the recess.
The smallest measurement will be your blind width. (We will make your blind 2mm narrower for a snug fit.)

Measuring drop
Take 3 measurements from the top down, along the left, middle and right of the recess.
The smallest measurement will be your blind drop. (We will make your blind 5mm shorter for a snug fit.
Checking the squareness of your window
Measure diagonally across the recess in both directions.
Be aware that some obstructions may mean this product is not suitable:
• Out of square windows recess of more than 15mm*
• Sloped walls or sills
• Interior recess decorations (tiles, architraves, trims)
• Window handles
*NOTE: If the recess is more than 15mm out of square, please contact us on 01484 443790, as this product may not be suitable.
