Simply measure from the inside edge of the window/door frame on one side to the centre of the first window/door frame. Then from the centre of that window/door frame to the centre of the next window/door frame and so on until you reach the inside edge of the window/door frame on the other side. Add 60mm to the measurements of each of the outside blinds. Enter these measurements into the website. For the drop measurement simply measure from the top of the window/door frame to the floor,add 40mm and select “Outside Mount”. Adding 60mm to each of the outside blinds will ensure that If you are fitting this way please let us know in the notes section of the ordering process. We will supply both longer screws to reach the timber and also hollow wall anchors so you can still fit your blinds even if there is no timber behind the plaster.
