Diy Window Cornice Foam Board
Instead a cornice is an upholstered board that is attached to the wall above your window.
Diy window cornice foam board. Cut a piece of foam board to the width of the window plus 6 inches. Set a straightedge across the foam board at the desired valance height. Measure the outside width of the window including the frame or wood trim around it. Measure the width of the window that the cornice will hang over.
Work your way to the ends of the box snipping and folding at the corners where necessary. There is no hanging fabric. First you need to measure the width of your window and decide how deep you need to make your cornice board and how tall you want it. Score the board with a utility knife.
In this way cornices provide a more structured window treatment option than valences do while also creating interest through the fabric that you use. Make the corners of your cornice by. This is the length your cornice will be including the side. Following the directions of the foam core board tutorials i built my cornices from my foam panels.
For my kitchen window i needed a 46 width. Cut out the length and width of foam board. Add 3 inches to each side of the measurement 6 inches total. Determine the height of the cornice and cut the foam board accordingly.
How to make a cornice board valance from foam insulation 1. Starting in the middle wrap the batting fabric toward the back as tight as possible and secure in place with nails. Measure the length of your window and add a foot to that. This cornice is 11 inches high.
On the other hand a cornice is a hard treatment. Figure out the width that you want the cornice to be.