Arched windows are considered one of the most pleasing window shapes and are a very noteworthy architectural element. Often if the arch is above the window, like a fanlight, it is left uncovered while the window below has window treatments. When the entire window is arched, like the one pictured here, a custom curtain rod is used to hang the draperies. In this instance a double rod is used, one for the geometric sheers to control sunlight and provide a sense of privacy. And the other for ...