Making Cornice Boxes From Foam

We found a gorgeous textured grey fabric that we wanted to use for making a foam board cornice.

Making cornice boxes from foam.

Here is what i did. One snow day a few weeks ago i set out to make one. All about cornice boards and how to make your own diy cornice board i ve got a fun diy today that you may not even know you needed yet. And i can tell you this is for real.

How to make a cornice board valance from foam insulation. A store bought cornice board valance can be hard to come by in a style and size matching your window and your room s decor. One weekend eric and i took a road trip to charlottesville and hit up the local u fab there. But once you read this post you ll see why you ve got to make a diy cornice board if you re saying to yourself well how can i want to make a diy cornice board if i don t even know what the heck one is yet don t worry.

Batting material is malleable so i was able to stretch it over and poke the bracket through but a scissors will work fine too. When you cover the wall brackets cut a slit to allow the brackets to be cleanly visible for when you mount the cornice box. Cornice boxes have a front top and two sides that hide drapery hardware and the tops of drapes. It s almost unbelievable but i ve seen the tutorial and the photos and the cost break down.

Excessively so it seems. Foam board cornice tutorial materials needed. To make a window valance cornice box pelmet box from foam insulation here is what you need. I repeated the same step for the header of my cornice board out of an additional piece of foam making sure to include in it s length the 1 4 or so on each side for the addition of length the side panels add to the overall length of the cornice.

This will make sure your cornice box lays flat against the wall. Making drapery cornices out of foam board. Foam insulation from the hardware store more on this below quilt batting enough to cover the size and amount of valances you re making. Foam board the width of your window.

In addition to their utilitarian function they also. Foam and fabric spray adhesive. Finish the edges by folding the batting with a straight vertical seam in the corners. Pull tightly ensuring that there are no wrinkles on the face of the cornice then staple on the interior edge of the cornice box.