Judging Firewood Moisture Content; Manufactured Logs - Osburn OB04010K Installation And Operation Manual

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3.1.6 Judging firewood moisture content

You can find out if some firewood is dry enough to burn by using these guidelines:
Cracks form at the ends of logs as they dry;
As it dries in the sun, the wood turns from white or cream colored to grey or yellow;
Bang two pieces of wood together; seasoned wood sounds hollow and wet wood sounds dull;
Dry wood is much lighter in weight than wet wood;
Split a piece, and if the fresh face feels warm and dry it is dry enough to burn; if it feels damp, it is too
wet;
Burn a piece; wet wood hisses and sizzles in the fire and dry wood does not.

3.2 Manufactured logs

Manufactured logs made of 100% wood residues
can be burn in your fireplace. However, they must
be used carefully. Therefore, you cannot place a
large quantity of such logs into your fireplace.
Manufactured logs typically release a much larger
heat output over a short period of time. Start with
one log and see how the fireplace reacts. You can
increase the number of logs burned at a time to a
maximum of three. Burning more than three
manufactured logs at one time can overheat and
damage your stove.
• DO NOT BURN ANY MANUFACTURED LOGS CONTAINING CHEMICAL ADDITIVES. YOU MAY
OVERHEAT YOUR FIREPLACE, THEREFORE CAUSING A FIRE HAZARD AND VOIDING YOUR
WARRANTY.
• DO NOT POKE OR STIR THE LOGS WHILE THEY ARE BURNING.
• USE ONLY FIRELOGS THAT HAVE BEEN TESTED FOR USE IN FIREPLACES (SEE ULC/ORD-C127,
COMPOSITE FIRELOGS) AND PRIOR TO USE, REFER TO FIRELOG WARNINGS AND CAUTIONS
MARKINGS ON PACKAGING.
16
You could buy a wood moisture meter to test
your firewood.
CAUTION
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