In other words measure from the floor to 2 inches above the moulding.
How to measure sliding glass door for vertical blinds.
Add 2 to the top and 1 2 to the bottom for both the installation hardware and the bottom hold down brackets.
The first step is to measure the inside width of your window where your blind will be mounted.
Round the measurement down to the nearest 1 8.
Measure the top bottom and center of the window door.
It may help to examine your other windows or sliding glass doors to determine if you already have inside or outside mounting.
Choose the shortest of the three measurements.
Next measure at the top and bottom of the window and again in the middle.
Measure the exact width from the inside edge of the frame on the right to the inside edge of the frame on the left.
If you have no moulding measure from the floor to 2 inches above the top of the opening.
Measure the width of the space first then the height.
Measure the width of the window door.
Identify which is the narrowest width of the three and round it to the nearest 1 8 inch.
The second step is to measure the exact height of your window in three places.
Measure the opening across the top where the headrail is to be installed from inside of window frame on left to inside of window frame on right.
However many people prefer an outside mount for their sliding glass door to accommodate vertical blinds and provide easy access to the door handle.
For an inside mount measure the width from the left inside edge of the frame to the right.
This is the height you will order.
Treating your sliding glass and french doors to the same treatments as your windows is easy.
A common rule of thumb is to add 2 inches to the length of the vertical blind.
This will be the width that you order.
Left middle and right.
A minimum depth of 2 7 8 is needed to install inside the window.
Measuring for horizontal blinds.
How to measure if you do not have window molding around the door.
Just follow the simple steps in this short video to see how to m.