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How Do I Stop My uPVC Windows From Buzzing Sounds When Its Windy?

Our Expert Answer...

You need to speak with your glazing company if your windows are buzzing but it helps to do a bit of research to assist the window engineers as there can be a few different reasons why the window is buzzing:

  • Does it only happen when the wind is blowing in a certain direction?
  • When it starts buzzing, hold a lighted candle (not too close) and move your hand around the inside of the window frame to check for the source of a draught (if any). Sometimes even a tiny, pinprick sized glitch in the frame seal can react with the wind to create a harmonic resonance that you will hear as buzzing. This is usually easily sealed on site without needing a new window.
  • Check the vets – on very rare occasions a bit of leaf can cause a buzzing noise.


If you’re not happy and your window is annoying you then you must let your window company know because buzzing can be a sign of an insecure seal which will affect the heat efficiency properties of your double glazing... and ultimately your heating bill. 

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