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Burning green/wet firewood Ook 10-29-2006
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Posted by Ook on November 4, 2006, 9:52 pm



> On Fri, 3 Nov 2006 18:55:05 -0800, "Ook" <Ook Don't send me any
> freakin' spam at zootal dot com delete the Don't send me any freakin'
> spam> wrote:
>
>>
>>> It's probably a misapprehension of the advice to burn long hot fires,
>>> to warm the chimney enough to keep creasote from condensing there.
>>>
>>> I dunno why you'd wanna do that, though, when you can scrape it
>>> off with a wire brush and use it to treat your fence posts when
>>> nobody's looking.
>>
>>OK, here is another question. My chimney goes up about 6-7', and then
>>bends.
>>Last year I had it inspected, and they inspected up to the bend only and
>>said that buildups only happen in the first 6 feet or so. Is this true?
>>How
>>far up the chimney do I need to clean, how far up is creosote likely to
>>build up? I have a steel double layer 6" (I think it's 6") chimney.
>>
>
> Buildup of creasote is only one of the things they
> ought to be looking for. THey should also be looking
> for damage, blockages, problems with the roof penetration,
> etc. If there was no sign of creasote in the part
> you can see I wouldn't worry much about it
> for this year, but I'd definately choose a different
> person/company for next year. Can *YOU* get up
> on the roof and check it from the top?
>
>
>

The chimney goes up through the ceiling of the front room into an unfinished
attic room. There it goes through two 45 degree bends before going through
the roof. I would have to take it apart there, and from there I can see all
the way to the top, and to the bottom. The roof is quite steep, I would not
be able to do it from the outside without proper safety equipment - which I
don't have. I'm burning mostly very dry pine, it sat for several years under
a tarp. I can almost split it with my hands, it's so dry.



Posted by Edwin Pawlowski on November 3, 2006, 11:07 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
>
> OK, here is another question. My chimney goes up about 6-7', and then
> bends. Last year I had it inspected, and they inspected up to the bend
> only and said that buildups only happen in the first 6 feet or so. Is this
> true? How far up the chimney do I need to clean, how far up is creosote
> likely to build up? I have a steel double layer 6" (I think it's 6")
> chimney.

They are most likely right, but no guarantees. The creosote will build up
where it condenses and hits the chimney wall. While it usually happens in
the first portion (from my limited experience) the actual answer depends on
the temperature of the fire, the temperature of the flue, the draw of the
flue and this varies along with the outside temperature.

In my case, I clean the entire chimney once a year, but I do the bottom five
feet about four times a year since it is very easy for me to do. Your house
will certainly be a bit different.



Posted by Goedjn on November 1, 2006, 9:50 am


On Tue, 31 Oct 2006 16:30:57 -0800, "Ook" <Ook Don't send me any
freakin' spam at zootal dot com delete the Don't send me any freakin'
spam> wrote:

>>
>> And no, you shouldn't ever start a chimney
>> fire on purpose.
>>
>>
>
>How would you start one? Not that I want to know how to start one, but
>rather how to avoid starting one. When I startup my stove, there are some
>good flames entering the chimney from the stove until I get the fire going
>and close the air intakes down.
>

You avoid starting one by inspecting your chimney at the beginning
of each season, and cleaning it when you start seeing a buildup of
creasote. If you you burn wet or otherwise crappy wood, or
indulge in short burns or banked fires, then inspect it once
a month, until you get a feel for how fast it builds up crap.

If you WANT to destroy your chimney and burn your house down,
then use your stove as a smudge-pot.. fill it with big chunks
of wet, resinous pine, and keep it just barely burning for
about an hour a day for two months. THen fill it with dry
birch splints and kindling and light the sucker off.





Posted by Charles Schuler on October 29, 2006, 4:42 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. :-)]

Laughing ... that's pretty much what I experienced ... saw it myself ... it
was like 4th of July above my roof. The roaring sound tipped me off, so I
went outside to look. Luckily, it was raining that night so I didn't need
to worry about secondary fires.

The bad news was that my ceramic flu liner cracked :>(



Posted by Stormin Mormon on October 31, 2006, 5:00 pm


I've heard different ways to extinguish chimney fires. Dry chem powder
extinguishers seem to be the most reccomended. Leaves an incredible
mess, though. Better than losing the entire house.

I've wondered if a water mist (garden sprayer) would fill the chimney
with steam, while not severely cooling the chimney.

--

Christopher A. Young
You can't shout down a troll.
You have to starve them.
.


>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. :-)]

Laughing ... that's pretty much what I experienced ... saw it myself
... it
was like 4th of July above my roof. The roaring sound tipped me off,
so I
went outside to look. Luckily, it was raining that night so I didn't
need
to worry about secondary fires.

The bad news was that my ceramic flu liner cracked :>(




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