Cornice board from foam insulation board making cornice boards from foam insulation board is a great way to jazz up the decor of any room.
Diy cornice using foam board.
They are lightweight and easy to install.
Set a straightedge across the foam board at the desired valance height.
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.
How to make a cornice board valance from foam insulation 1.
Work your way to the ends of the box snipping and folding at the corners where necessary.
Cut 4 pieces of foam board 3 inches wide and 11 inches or the height of your cornice tall.
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.
Lay the batting on a table counter or floor and then place the cornice board on top front side down.
To cover the boards cut a piece of batting fabric 10 wider and 10 longer than your foam box including the returns.
Cut 4 small pieces from 1 3 inch piece of foam board and use them as stabilizers for the side of the cornice.
Under a texas sky window seat decor.
Measure the length of your window and add a foot to that.
I used an exacto.
Pull the batting to the back and staple trimming the excess as you go.
Starting in the middle wrap the batting fabric toward the back as tight as possible and secure in place with nails.
I did some research and found lots of examples of people using everything from craft foam board which was way to flimsy for my taste to styrofoam which we re getting better as far as stability then foam insulation board.
Next iron your fabric then lay it out on your work surface and place the board on top of it.
Using hot glue secure 2 smaller pieces to each side of the front cornice board.
Add 1 5 inches and mark that.
Figure out the width that you want the cornice to be.
Cut out the length and width of foam board.
Measure the outside width of the window including the frame or wood trim around it.
Make the corners of your cornice by.
This is the length your cornice will be including the side.
Next using your hot glue gun quickly attach the side panels to the edge of the front piece.