Effective Placement of Window Treatments
Narrow a wide window
To narrow the width of a window reduce the curtain track or curtain rod so that more of the window is covered when the curtain are opened. This is a reasonable option for blocking out light.
Widening a Window
To widen a window extend the curtain track or curtain rod so that the curtains will only cover the very edge of the window when opened. The curtain will be mostly be covering wall in this instance.
Lowering the Height of a Tall Window
Install either a valance or pelmet box so that the bottom of the valance or box will cover up some of the glass of the window.
Heightening a Low Window
Place a valance or pelmet box high above the window so that the bottom of the valance covers just the very top of the window as demonstrated in the picture below.