Measuring for Alison White 50:50 Roller blinds:
There is an extra dimension required for the 50:50 blind which refers to the lower section drop (your material choice) and is shown in the final stage of our guide to measuring below:
Please note: You should always use a metal tape measure
RECESS
GIve us the tight measurement and we will make the allowances

Measure at the top along the line where the Blind will be fitted.
Drop = C - D
OUTSIDE RECESS
This is the cloth width

Overlap the recess by approximately 25mm to 50mm either side to suite your requirements IE: allowing for any obstructions.
Drop = G - H
Measure 75mm approximately above the window to the point where you want the Blind to finish.
LOWER SECTION DROP
This dimension refers to the drop of the Misty White translucent cotton materail

For other measurements IE: Doors, shaped or sloping windows, please contact us.
Telehone: 01252 544 568