Why do walls make a cracking sound?

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Every now and then, if your room is quiet enough you’ll hear a random cracking sound that seems to come from the wall. Why does it do that and what is happening when it does? Why are some ‘cracks’ louder than others?

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6 Answers

Anonymous 0 Comments

Most of the time it’s the wood in the walls expanding and contracting in the heat/cold. It will make those noises as that happens.

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