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Common Heating Values of Cordwood
Hardwoods
Birch
White Oak
Alder
3.2.1 Simple Wood Moisture Test
Add one large piece of wood to the top of an established fire. If it starts to burn on three sides within
one minute, it is dry and seasoned and right for burning. If it turns black and starts to burn in three
minutes, it is damp. If it turns black and does not start burning until after five minutes, it is green
and wet. If it hisses at any time, the wood is soaked and will not burn until excess moisture is boiled
away.
3.3 Notes About First Firing
Before firing, ensure that the room is well ventilated. Curing the paint is recommended to preserve
the best quality finish. Heating the insert too intensely on the first fire will dull and lighten the colour
on overheated areas, and cause smoke and odour to be emitted into the room. To cure the paint, the
first two fires should be burned for only about twenty minutes each.
The paint curing process will produce a light fume with an unpleasant odour. Open windows.
Leave the room if the smell is too intense. The fume is non-toxic and will disappear completely
after the unit will have been used a few times at higher firing temperatures.
Allow the insert to get warm only, but not hot, i.e. 250
thermometer, then allow the insert to cool down. Light a third fire and burn it for about forty
o
minutes to 450
F (230
according to the following instructions. This extra care will result in a more durable, and uniform
finish.
18
Million Btu/Cord
23.6
28.3
17.6
Table 3.1
o
C) or less. Once again cool the insert to room temperature, then operate it
Softwoods
Million Btu/Cord
Douglas Fir
Hemlock
Jack Pine
o
o
F (120
C) as measured by an insert top
20.6
17.1
18.4
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