Measure the sides of the cornice and cut the crown ogee and cap molding to fit with 45 degree miter cuts at the outside corners and 90 degree cuts where the pieces will meet the wall.
Building cornice boards.
Install all the sidepieces with wood glue and inch brad nails then measure and miter cut the front pieces of molding to fit and install.
Allow the excess to wrap over the back edge.
Wrap and staple one side of the fabric on the interior corner of the cornice.
The cornice is then ready for mounting on the wall by screwing it to a 1 2 that s screwed to the wall above the opening photos 12 14.
Don t mind the grainy footage but the content is solid.
These measurements are for a 36 window you can adjust for your own window.
Spray the batting with adhesive.
Benefits of a cornice board.
Cut two pieces 22 x 2 3 4 these are the side pieces for the cornice board.
A cornice board may not sound exciting but it provides many benefits as a window treatment.
Cut one piece 22 x 42 this is the front.
Every wood cornice begins the same way with cutting and assembling the three sided lidded box photos 2 4.
Here are a few.
Beth allen shows diy way to custom cornice board for windows.
Staple securely along the same interior edge.
They do a great job of stylishly hiding other hardware on your window.