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Why Does Wood Pop In The Fire. Trapped moisture can also cause wood to pop and crackle from the creation of steam. In basic terms, it has something to do with the combustion gases escaping from the wood.
Wood is porous and easily absorbs any moisture it. Unlike wood, water doesn’t convert into heat when burned. The holes created by the insects will give the gasses an escape route.
Typically, when the moisture in the wood is high, the pops and crackling noises are a lot more frequent. This same principle rings true when burning wet or moist firewood. Woods such as red cedar and poplar are resinous, containing tree saps that are highly flammable.
In basic terms, it has something to do with the combustion gases escaping from the wood. 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. The holes created by the insects will give the gasses an escape route.
Unlike wood, water doesn’t convert into heat when burned. Moisture that might have escaped without a problem will now be trapped inside this freshly formed seal, causing the wood to pop even more frequently than it would have otherwise. As the trapped moisture heats up, it will.
And, in these moments, the popping and crackling picks up and increases until the moisture in. Some will get stuck in the wood. When the wood is burned, combustible gasses will be released.
When resin bits catch fire, they explode and throw hot sparks up the chimney and out the front of the fireplace. If you place a pot of water on the stove and activate the burner, it will evaporate as steam.
