How to Hang Curtains in Arched Windows


Arched windows can be a problem if you're trying to cover them with a window treatment. The arch usually adds a lot of character to a room, so you probably don't want to disguise it. Typically, a wood molding surrounds the arched window, adding texture and aesthetic value to the home. A straight, traditional curtain rod will cover the arch and woodwork. If you don't want to hide them, use a flexible curtain rod made for arched windows. The flexible rods are transparent, so they will not show through, even if you use a sheer fabric.

Things You'll Need

  • Flexible curtain rod and kit
  • Measuring tape
  • Chalk
  • Pins
  • Sewing machine
  • Thread
  • Measure the length of flexible rod needed. Start at the point of the window where the arch begins on the left side and measure up and around the arch to where it ends on the right. The contour of the arch must be followed exactly. If your window is very large, two rod kits can be joined to accommodate the size.

  • Mount the flexible curtain rod inside the window casing. The package will have specific directions for mounting the rod. The kit will come with clips to secure the rod in place.

  • Insert the flexible rod through the rod casing on the curtains. Hang the flexible curtain rod in place. Snapping the rod into the mounted clips will cause it to arch in the same manner as the arched window.

  • Mark the hem for your curtains. Curtains purchased off the shelf will not accommodate the exact arch of your window. Draw a horizontal chalk line all the way across the curtain, at the length you want the hem to be.

  • Remove the curtains from the window and rod. Cut the bottom edge 3 inches from the chalk line. Fold the cut edge up 1 1/2-inch hem. Fold again and secure in place with pins. Hand stitch the hem in place with a basting stitch.

  • Insert the rod back through the curtain rod casing. Place the flexible rod back in the clips. Allow to hang for three or four days. This allows time for the fabric to stretch or shrink. Take the basting out to adjust the hem. Machine stitch the hem, press and rehang.

Tips & Warnings

  • Choose a color of fabric color that contrasts with your walls will draw more attention to your arched window.
  • Do not use heavy drapery fabric with the flexible rod.

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