How much fabric do I need for a cornice board?
Daniel Foster
Published May 16, 2026
How much fabric do I need for a cornice board?
Measure the width of the cornice. Start at the left edge, measure along the side section (the return) to the front, across the front and around to the end of the right section. Add 6 inches to the measurement for the required fabric cut width.
How much does it cost to make a cornice board?
You’ll pay about $58 a foot or $348 to have a 6-foot 36-inch wide cornice board made by a design center. That’s for a wooden board covered with padding and upholstered in fabric. The installation charge will be more. You can make one yourself from a kit for about $135 and save 71 percent.
What size should a cornice board be?
The width of the cornice box depends on the width of the window; typically your cornice box should be 1 to 2 inches wider than either the window or the curtain rod.
How far out from the wall should a valance be?
For most windows, a valance should cover about 2 to 6 inches of the top of the window and window frame (this is called the window overlap), with the rest of the valance covering the wall above the window. If there is not enough room to do this, then the valance should be hung immediately under the ceiling.
How do you make a fabric pelmet?
- Step 1: Measuring for Size. Measure your window where you would like the pelmet to sit.
- Step 2: Cut Foam Core/Plywood. Now it is time to begin cutting the foam core which will form the structure of your curtain pelmet.
- Step 3: Cover with Quilt Batting.
- Step 4: Cover with Fabric.
- Step 5: Fit to the Wall.
How long does it take to install a cornice?
The cornice cement working life is around 60 minutes, so only mix what you can use in that time. 2. Working on one piece at a time and starting with the shorter lengths, apply a 10mm thick bead of Gyprock Cornice Cement to the back of each edge using a broadknife.
How much is cornice per foot?
Cost to Install a Cornice
| Cornice Costs | Zip Code | Lineal ft. |
|---|---|---|
| Basic | Better | |
| Cornice – Installation Cost | $115.00 – $120.00 | $125.00 – $135.00 |
| Cornice – Total | $240.00 – $246.00 | $253.00 – $265.00 |
| Cornice – Total Average Cost per Lineal Foot | $2.43 | $2.59 |
What is the typical height of a cornice board?
Cornice boards are usually mounted 4 inches above the top of the window frame or window treatment. The height of the cornice is generally 1/5 the total height measurement of the window or the current treatment.
