Windows loud cracking/popping sounds

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Posted by: from Calgary
5/14/2012 at 5:21:05 PM

Our 4 year old house has aluminum clad wood frames windows. Our problem is loud cracking/popping sounds - like hitting a 2x4 on the metal bench. These events are typically happening in series in the morning on East side of the house around 7:30 A.M. and at night 1:00 to 2:00 AM.

This has something to do with a sun shining on the windows and related heat frames expanding and at night cooling and contracting materials but why loud cracking/popping sounds?

Did anyone have similar problem?

What is the solution?

windows loud cracking/popping sounds
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Pat in Calgary
Date/Time5/14/2012 at 11:44:52 PM

Hi Marek:

Yes you are correct. It is the heat of the sun in the morning causing the metal cladding to expand and the cool air at night cooling the metal cladding to let it contract. The reason this is happening is because there was not enough allowance for the metal cladding to expand and contract, hence the sounds you hear in the morning and night.

Can you see any signs of the metal cladding rippling? Can you tell how it was fastened? The solution is to find out what is securing the metal cladding and why it is not allowing the metal cladding to move freely during expansion and contraction.


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Marek in Calgary
Date/Time5/15/2012 at 4:27:27 PM

Pat, thank you, your conclusion makes a lot of sense.

When I was talking with customer service rep. from the windows manufacturer, they never offered any explanation to the cause of the problem base on what I have seen I start to think they know exactly what the problem is (they said that it is happening to only few houses they supplied windows to) but I think that to fix the problem the whole window including the frame has to be replaced, not just the outside weather stripping which they did and did nothing to solve the problem.

They make a lot of the same custom windows in theirs plants in Calgary and Edmonton so I think it is the time they stand behind theirs product and make it right.


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Pat in Calgary
Date/Time5/19/2012 at 10:37:33 AM

Hi Marek:

From your reply it does sound to me that they believe what is the cause but don't want to commit themselves over the phone. Has the window representative came out to see you?

Do you know the other home owners that has the similar issue? If you do then maybe you can join together to find a solution to your common issues.


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Ron in Edmonton
Date/Time4/3/2016 at 11:29:48 PM

Hi Marek,

Who was the window manufacturer as we are having very similar problems?

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