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How to Make a Fabric Covered Window Cornice

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Deciding on window treatments can be daunting, there are so many options. I have an easy DIY widow treatment for you today, I’m sharing how to make a fabric covered window cornice. This simple project is easy to make and easy to personalize to fit any window in your home.

colorful fabric covered window cornice

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Custom window treatments can be expensive! Finding curtains, drapes or shades that perfectly fit your space and compliment your decor can come at a steep price. I am in favor of simple window treatments that don’t cost an arm and a leg.

Many of the rooms in my home have simple white curtains. I love how they look but honestly I use them because they are easy to find and go with everything. Trying to choose a color or pattern for a set of curtains is just too overwhelming sometimes.

A few rooms in my home don’t allow for long white curtains; my bathroom and my office in particular. I tried curtains in my office after it’s makeover and they looked great! However they got in the way. Decor has to be functional in a space like an office or craft room.

I opted to ditch my curtains and use a simple fabric covered window cornice to top each window instead.

Be sure to watch the video to see all the details.

Scroll down for step by step instructions on how you can make your own DIY window treaments.

colorful fabric covered window cornice

Fabric Covered Window Cornice

Yield: 1
Active Time: 1 hour
Total Time: 1 hour
Difficulty: Easy
Estimated Cost: $10

An inexpensive DIY window treatment



  • Yard stick
  • Utility knife
  • Hot glue
  • Spray glue
  • Scissors


  1. Measure the width of the window that the cornice will hang over. Add 3 inches to each side of the measurement, 6 inches total.
  2. Cut a piece of foam board to the width of the window plus 6 inches. Determine the height of the cornice and cut the foam board accordingly. This cornice is 11 inches high. You can use duct tape to secure 2 pieces together if the measurement is longer than the foam board.
  3. Cut 4 pieces of foam board 3 inches wide and 11 inches (or the height of your cornice) tall. window cornice foam board cuts Attached pieces with duct tape
  4. Using hot glue, secure 2 smaller pieces to each side of the front cornice board. attach sides window cornice
  5. Cut 4 small pieces from 1 3 inch piece of foam board and use them as stabilizers for the side of the cornice. braces on window cornice
  6. Cut the remaining 3 inch piece in half lengthwise and secure it to the top of the stabilizers and side piece. finished base window cornice
  7. Cut a piece of batting long and wide enough to be wrapped around the edges of the cornice. Temporarily hold this in place with spray glue. batting on window cornice
  8. Cut a piece fo fabric just a bit larger than the batting and place the cornice on top of it. Hold it in place with spray glue then secure permanently with hot glue. fabric on widow cornice
  9. Use Command picture hanging strips on the back of the cornice board to mount this on the wall. Make sure the strips are stuck to the foam board and not the fabric or batting. Cut away any excess fabric or batting if needed. command strips on window cornice

Did you make this project?

Share yours and tag @creativeramblings

A few things I love about this window cornice.

  • It’s renter friendly! These easily go up on the wall without damaging any surfaces. You can pull them down when you move, or when you change your style.
  • They are really inexpensive! Anyone can make these.
  • They are so easy to make. No power tools or special skills required, this is truly a DIY project most people can do.

Pin this now and save these instructions for later.

Are you a fan of a simple window treatment like this cornice? Tell me where you would add this in your home.

Thanks for visiting!

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Lois Parry

Sunday 2nd of May 2021

looks great but where is the how to video?


Monday 3rd of May 2021

The video is in the post, it should just start playing automatically for you.

Maureen Reynolds

Monday 3rd of February 2020

Foam Board!? What a great idea! I will definitely be making a few of these in the near future!

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