Sealing Wood Windows

Written by aryeh raphael
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Sealing Wood Windows
Sealing your wooden windows will lessen your heating expenses. (hauswand schweden image by Joscha Jaeger from

Wood windows are rustic and attractive, yet they have a structural flaw that could cost you a lot of money. The nature of wooden windows means they don't always create an airtight seal and can allow heating to escape and let cold air seep in. This will drive your heating costs way above where they need to be. You can easily seal your wooden windows with an insulating strip. This will block the draft and retain the heat in your home.

Skill level:
Moderately Challenging

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Things you need

  • Brush
  • Self-adhesive rubber stripping
  • Hammer
  • Nails

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  1. 1

    Remove the windows or just open them if they cannot be removed.

  2. 2

    Clean the gap between the window doors and the frame of any dirt, bugs or debris with a brush.

  3. 3

    Attach self-adhesive rubber strips around the inside perimeter of the window. When the window is closed, it should compress the rubber strips.

  4. 4

    Remove the backing from the strips and press them into place. Some manufacturers recommend nailing the rubber strips in place with hammer and nails for extra security.

  5. 5

    Close the windows and run your hands around the gaps between the window and the frame. If you feel any air coming through, open the window and adjust the strips until no more air can be felt coming through.

Tips and warnings

  • Insert the nails only after you're certain the windows are sealed properly. Replace seals as they wear away from use.

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