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You can build your own interior insulation window panels and save energy and money by following this step-by-step guide from the Midcoast Green Collaborative. Our kit contains enough double-sided tape and foam weatherstripping to do the windows on an average sized 2-story home. For more in-depth instructions, information and resources visit

photo credit: Guy Marsden

What's Included?

Click here for a complete DIY Guide to Building Interior Window Insulation Panels.

* Additional materials required.

Interior Window Insulation Kit
Part # 6K300-00001
Units per Box 12
Price $83.61
5 or more: $77.69 per carton
10 or more: $70.53 per carton
Quantity (full cartons) 
Interior Window Insulation Kit
Interior Window Insulation Kit
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Interior Window Insulation Kit

Interior Window Insulation Bundle

Kit contains several components needed to build interior window insulation panels to save energy and cut heating costs during the cold months. Kit contains enough material to insulate the average 2-story home.*

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Shipping Information

  • Ships in 1 to 3 business days.
  • Check standard UPS transit times here
  • Typical box dimensions: 17" x 17" x 7" @ 5 lbs. each
  • Expedited shipping available*
    * still subject to 1 - 3 days processing in our warehouse. Expedites apply to transit time.

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Foam Tape Lingo

So ... Just what does "differentially wound" mean anyway? Find out here.