A great idea for all your french doors. You could use it on your kitchen backdoor. Simple roll up under a flat valance in linen. Perfect idea for back door. You could also pair a piece of linen like a table runner or table cloth.
Idea for when we put french door in dining room. Ikea Shelves Into Built-in Bookcases :: I really love this. You could turn any room into a library with this idea. And you don't need ikea for it, either.