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Why Does Wood Pop. When the wood is burned, combustible gasses will be released. The holes created by the insects will give the gasses an escape route.
These gases escape either by an explosion or by finding their way through holes caused by insects. And, in these moments, the popping and crackling picks up and increases until the moisture in. This is because the moisture in the wood begins to evaporate quickly, while also pushing the moisture out of the wood in the form of more steam.
Some will get stuck in the wood. In basic terms, it has something to do with the combustion gases escaping from the wood. When temperatures rise and, or humidity levels rise, your wood will expand and if there has been an insufficient expansion gap left around the perimeter of your room, the risk is that the wood will pop up as it expands, because there’s nowhere for it to go.
And, in these moments, the popping and crackling picks up and increases until the moisture in. As the gas escapes, the fire will emit an audible pop or crack. When the wood is burned, combustible gasses will be released.
As the wood burns the moisture is heated, and as the moisture is heated it expands and turns into gas. Once the gas pressure builds up it will create an energy burst with mini explosion. These gases escape either by an explosion or by finding their way through holes caused by insects.
Gas is created by trapped moisture locked in small pockets within the wood. Typically, when the moisture in the wood is high, the pops and crackling noises are a lot more frequent. This is because the moisture in the wood begins to evaporate quickly, while also pushing the moisture out of the wood in the form of more steam.
