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Measuring for standard windows

Recess Fitting

This is the measurement you need to to make if you want the blind to fit inside the window recess. Measure the full width & height of the ‘recessed’ area (wall to wall), as shown in the diagram below taking the smallest measurement.diameter dalam


Use a steel metal tape measure for accuracy and measure in inch. 

Measure in 3 places for both ‘width’ and ‘height’ then use the smallest measurements for ordering. Always double check your measurements!

Don’t make any deductions for ‘recess’ specified blinds because the factory will do that to ensure the blind fits perfectly.

Look out for any obstructions such as window handles, tiles, dado rails etc and take their position into account if necessary.

Depth Required: You will need a depth of 135mm for the blind to fit neatly inside the recess for 127mm slats and 108mm depth for 100mm slats. This will result in the blind slightly protruding out of the recess but will not detract from the product.

Exact Fitting

This is the measurement you need to take if you want the blind to hang outside of the window recess.  We will make the blind to your exact measurements specified with no deductions.diameter luar


Measure the exact width of the area you would like the blind to cover. To minimize light leakage we would recommend an overlap of 2inch either side & 4inch at the top and bottom of the window. 

The overlap at the bottom of the window is a matter of personal choice.

Look out for any obstructions such as tiles, dado rails, radiators etc and take their position into account if necessary.

Important Note:

The width of Blinds is always the ‘bracket’ to ‘bracket’ measurement and not the ‘cloth (fabric)’ width. The fabric will always be shorter by between 1inch to 2inch depending on the the blind size ordered. The Roller Blind will always be manufactured with ‘extra’ fabric on the length to ensure the tube is covered and not visible when the blind is fully extended to the height ordered

Email us! Send us images where possible, as this will enable the team to deal with your inquiry more efficiently. email enquiries@bidai.com.my

Prefer to speak to someone? Call our customer services team on 03 8920 9219 Monday to Sunday 11.00am to 7pm.