Energy Saving Tips 2: Window Draught Proofing

For windows that open, buy draught-proofing strips to stick around the window frame and fill the gap between the window and the frame. There are two types:

  • self-adhesive foam strips – these are cheap and easy to install, but may not last long
  • metal or plastic strips with brushes or wipers attached, which are long-lasting, but cost a little more

Make sure the strip is the right size to fill the gap in your window. If the strip is too big, it will get crushed and you may not be able to close the window. If it’s too small, there will still be a gap.

For sliding sash windows, foam strips do not work well. It’s best to fit brush strips or consult a professional. For windows that don’t open, use a silicone sealant. If you’re thinking of replacing your windows, consider installing energy efficient windows.

Foam draught strip for windows

Draught stripping a casement window

 

Draught strip on sash window

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