Window Cornice Kits

by admin on August 8, 2013

What is the Cost of Styrofoam Window Cornice Kits?

Board Cornice Kits are $35-$125 per foot plus freight.

Styrofoam Cornice Kits average $11 – $17 per foot and Free ShippingStyrofoam Cornice Kit

Avalon Styrofoam Cornice Kit  FREE SHIPPING

Avalon Extension KitsAvalon Styrofoam Cornice Extension Kit

Bay Window Kit Sold in Pairs – Will Split the Kit on Request

Number of Extensions Required for Wider Windows.

  • 48″-80″    Window Width – 1 Extension Kit
  • 80″- 112″  Window Width – 2 Extension Kits
  • 112″ – 144″ Window Width – 3 Extension Kits
  • 144″ – 176″ Window Width – 4 Extension Kits
  • 176″ – 208″ Window Width – 5 Extension Kits


{ 4 comments… read them below or add one }

Sheri September 12, 2013 at 8:00 am

When you say the measurement is 15Hx32W, does that include the measurement of the side boards
thickness? or do I need to ad 2-3″ for that measurement as well? Thanks for the help.


admin November 30, 2013 at 12:20 pm

No, the actual with of each section is 16″ and the extension kit includes 2 extensions totaling 32″ wide by 15″ high.


Judie September 19, 2013 at 5:35 am

Hi, I am getting ready to order avalon styrofoam cornice kit. Am I correct that for 84″ window in the 9″ hgt, i need one set and 2 extensions. That would be too long so do I then have to cut away the extra…..thank you. JUDIE


admin November 30, 2013 at 12:17 pm

Yes, the extensions are very easy to cut down for the perfect fit.


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