Diy Window Cornice Foam Board

There is no hanging fabric.

Diy window cornice foam board.

Measure the outside width of the window including the frame or wood trim around it. Instead a cornice is an upholstered board that is attached to the wall above your window. Figure out the width that you want the cornice to be. Work your way to the ends of the box snipping and folding at the corners where necessary.

Measure the width of the window that the cornice will hang over. Determine the height of the cornice and cut the foam board accordingly. Starting in the middle wrap the batting fabric toward the back as tight as possible and secure in place with nails. This is the length your cornice will be including the side.

To cover the boards cut a piece of batting fabric 10 wider and 10 longer than your foam box including the returns. Add 1 5 inches and mark that. In this way cornices provide a more structured window treatment option than valences do while also creating interest through the fabric that you use. How to make a cornice board valance from foam insulation 1.

I used an exacto. This cornice is 11 inches high. Score the board with a utility knife. On the other hand a cornice is a hard treatment.

For my kitchen window i needed a 46 width. Make the corners of your cornice by. Following the directions of the foam core board tutorials i built my cornices from my foam panels. Measure the length of your window and add a foot to that.

Cut a piece of foam board to the width of the window plus 6 inches. Add 3 inches to each side of the measurement 6 inches total.