Styrofoam Cornice Board

Deco wrap window treatment kit.

Styrofoam cornice board.

Our window was 35 wide. Measure the outside width of the window including the frame or wood trim around it. Measure the width of the window from the outside edges of the trim and then add 4 2 allowance per side cut front of board to desired length window trim width 4. We used a 2 curtain rod.

Building the cornice board. Then hot glue the outer short edges of your long piece and press the shorter pieces to it like in the picture above. This measurement will depend on how far you would like your cornice board to come out from the wall i cut mine to be about 5 inches wide. Add 1 5 inches and mark that width on the foam insulation board with a pen.

Cut two more smaller pieces of the styrofoam panel for the sides of your cornice board. Measure for your width. Determine how tall you d like the. Juvale foam board arts and crafts supplies 12 x 4 x 1 in 12 pack 4 3 out of 5 stars 138.

Determine how long you want your boards to be. All you have to do is select your fabric measure your window we cut specifically to your window size no cutting down necessary when you receive your foam cornice all you do is tuck the fabric into the grooves and mount it to the wall. Cut 2 side pieces 5 wide each. Free shipping on your first order shipped by amazon.

Our foam cornices are lightweight sturdy and amazingly simple to assemble.