If you have larger windows in the living room or den, you will need extra long curtain rods to fit the length. The popular size for extra long curtain rods measure around 61 inches to about 130 inches. Since these long iron curtain rods are adjustable, you can slide the rods over each other for the desired length. To support the middle of the extra long curtain rods, you want to install a center support bracket. This will support the weight of the long curtain rod and keep them from bending. Decorating with these extra long iron curtain rods is beneficial in that they are sturdy, well made curtain rods that are durable and will last a lifetime.