To a door 72 inches wide add 8 inches for a curtain.
Length of curtain for sliding glass doors.
If not choose from 3 to 6 inches according to how high above the door you want the drapes to extend.
Then add these additional distances for stack back.
Basically it is 48 long.
That means your curtains will need to be 4 inches longer than the door height 80 inches and 84 inch curtains will work perfectly.
In regards to the length of the curtains you ll want curtains that extend 3 inches above the door frame and 1 inch below the door frame so that the curtains are grazing the floor and not covering the top of the door frame.
When you need it to be longer such as when you want to use it for supporting the sliding glass door curtains you can adjust it up to 86.
3 measure the horizontal width from the outside edge of the door trim on the left side to the.
H versailtex 100 blackout patio door linen curtains for sliding door extra long and wide blinds thermal insulated waterproof textured linen drapes for glass door grey 100 x 84.