In this way cornices provide a more structured window treatment option than valences do while also creating interest through the fabric that you use.
Diy window cornice foam board.
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.
Following the directions of the foam core board tutorials i built my cornices from my foam panels.
I used an exacto.
Add 1 5 inches and mark that.
Instead a cornice is an upholstered board that is attached to the wall above your window.
On the other hand a cornice is a hard treatment.
Cut 4 small pieces from 1 3 inch piece of foam board and use them as stabilizers for the side of the cornice.
Feb 19 2019 explore poppy khan s board window cornice diy on pinterest.
Score the board with a utility knife.
Using hot glue secure 2 smaller pieces to each side of the front cornice board.
Figure out the width that you want the cornice to be.
Cut 4 pieces of foam board 3 inches wide and 11 inches or the height of your cornice tall.
Cut out the length and width of foam board.
Make the corners of your cornice by.
For my kitchen window i needed a 46 width.
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.
This is the length your cornice will be including the side.
How to make a cornice board valance from foam insulation 1.
See more ideas about window cornices cornice window cornice diy.
Set a straightedge across the foam board at the desired valance height.
Work your way to the ends of the box snipping and folding at the corners where necessary.
Measure the outside width of the window including the frame or wood trim around it.
There is no hanging fabric.
An easy window treatment that s not permanent and costs just a few dollars.