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Burning green/wet firewood Ook 10-29-2006
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Posted by Ook on October 29, 2006, 2:35 pm


What are the real dangers of burning green/wet firewood? I had a good hot
bed of coals going in my wood stove, and I stuck in what turned out to be a
couple of green chunks of wood (was not intentional). They quickly burst
into flame and burned fairly well, though a bit slower then the dry stuff.
Are there conditions, such as a hot established fire, where you can burn
green/wet wood, if it burns quickly and well?



Posted by Charles Schuler on October 29, 2006, 3:17 pm



"Ook" <Ook Don't send me any freakin' spam at zootal dot com delete the
Don't send me any freakin' spam> wrote in message
> What are the real dangers of burning green/wet firewood? I had a good hot
> bed of coals going in my wood stove, and I stuck in what turned out to be
> a couple of green chunks of wood (was not intentional). They quickly burst
> into flame and burned fairly well, though a bit slower then the dry stuff.
> Are there conditions, such as a hot established fire, where you can burn
> green/wet wood, if it burns quickly and well?

Smoldering fires generate more creosote:
http://www.ca.uky.edu/agc/pubs/for/for35/for35.htm



Posted by Paul Bunion on October 29, 2006, 3:50 pm


Ook wrote:
> What are the real dangers of burning green/wet firewood? I had a good
> hot bed of coals going in my wood stove, and I stuck in what turned
> out to be a couple of green chunks of wood (was not intentional).
> They quickly burst into flame and burned fairly well, though a bit
> slower then the dry stuff. Are there conditions, such as a hot
> established fire, where you can burn green/wet wood, if it burns
> quickly and well?
>
>

Wet or unseasoned wood greatly increases the accumulation of creosote.
The large amount of moisture from burning wet wood condenses in the
chimney and adds to creosote formation as well as the acrid odor. The
periodic use of a good liquid or powder chimney cleaner which is sprayed
on the burning wood is essential to the wood burner. This type of
product will not elminiate the need to clean your chimney or the
formation of creosote, but it will make the cleaning task much easier.

Creosote - Creosote can be defined as a combustible deposit in the
venting system which begins as condensed wood smoke including tar fogs
and vapors. Creosote is a by-product of incomplete combustion. If a fuel
is fully burned there will be no smoke and, therefore, no creosote.
Creosote will be hard brown or black and form either curly, flaky
deposits or bubbly deposits in the venting system. Creosote is flammable.


The reply is quoted from both http://hearth.com/what/guidelines.html and
http://www.rutland.com/info/creoedit.htm



Posted by Charles Schuler on October 29, 2006, 3:56 pm


Creosote is flammable.

As anyone who has ever had a chimney fire will attest to ;>)



Posted by Stubby on October 29, 2006, 4:18 pm


I did nearly 30 years ago. The little box stove was very hot. Then
I started hearing the airflow. It got loud and I cut the air intake
totally although I wasn't totally sure that I was having a chimney fire.
After a few minutes it stopped. I didn't call the Fire Dept but
probably should have. [Neighbors told me flames were shooting up 30
feet and airplanes were avoiding the area. :-)]

Charles Schuler wrote:
> Creosote is flammable.
>
> As anyone who has ever had a chimney fire will attest to ;>)
>
>

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