Measure the inside of the window frame in three places for width.
Measuring windows for roller blinds.
1 measure the width inside the window opening at the top middle and bottom.
If you re interested in measuring for inside mount roller shades follow these steps.
Your best bet is to go with pencil just in case your first measurements need a little reworking.
2 measure the height inside the window opening from the top of the window opening to the window sill three times.
You don t need to be perfect but it never hurts to try.
Round your measurements to the nearest 1 8.
Across the top middle and bottom.
Take the narrowest of the three width measurements and round down to the nearest 1 8.
Write down all of your measurements clearly.
Measure the width of each window.
How to measure roller blinds recess fitting for roller blinds this is the measurement you need to to make if you want the blind to fit inside the window recess.
Measure across the window width adding an extra 10cm 4 to the total width to allow a 5cm 2 overlap either side of the window to block out light effectively.
Use a metal tape measure to measure accurately to the nearest 1 8th inch.
Inside mount treatments are installed inside the window casing.
You ll need this measurement to.
Measure your width only at the top of the window for roller.
Use a metal tape measure for accuracy.
For roller blinds add a further 5cm 2 to the width to allow room for the operating mechanism.
Do not take deductions.