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Why Does Wood Pop When Burning. Trapped moisture can also cause wood to pop and crackle from the creation of steam. Firewood popping occurs when burning wood has a high moisture content.
All trees need to take in water to survive. The holes created by the insects will give the gasses an escape route. See answer (1) best answer.
Gas is created by trapped moisture locked in small pockets within the wood. As the trapped moisture heats up, it will. As the gas escapes, the fire will emit an audible pop or crack.
Hence, there will mostly be some moisture in the wood. Although your piece of wood may look and feel quite dry, it definitely has some moisture locked inside of it. Trapped moisture can also cause wood to pop and crackle from the creation of steam.
When the wood is burned, combustible gasses will be released. See answer (1) best answer. Once the gas pressure builds up it will create an energy burst with mini explosion.
The popping noise occurs when air pockets in the wood are released. Moisture content that is trapped within the wood can cause a fire to pop. Some will get stuck in the wood.
The holes created by the insects will give the gasses an escape route. This same principle rings true when burning wet or moist firewood. As the wood burns the moisture is heated, and as the moisture is heated it expands and turns into gas.
