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FAQs
Determining whether firewood is properly dried is essential for efficient burning and chimney safety. Several reliable methods can help you assess moisture content without specialized equipment, though using a moisture meter provides the most accurate results.
Visual inspection offers immediate clues about dryness. Dry firewood displays deep cracks or checks radiating from the center toward the bark on the cut ends. The wood color typically darkens and becomes grayish rather than bright or white. Bark often becomes loose and falls off easily on seasoned wood. Fresh or wet wood maintains bright colors, has tight bark, and lacks end-grain cracks.
The sound test is remarkably effective. When you knock two pieces of dry firewood together, they produce a sharp, hollow crack. Wet wood creates a dull thud instead. This difference is immediately noticeable and can be performed anywhere without tools.
Weight comparison helps when you have both wet and dry samples. Dry firewood weighs significantly less than wet wood of the same species and size because water is heavy. If you’re buying from the same supplier, you can compare the weight of old stock versus new deliveries.
A moisture meter provides definitive answers and is worth the investment if you regularly burn firewood. These inexpensive devices have two pins you press into the wood to measure moisture content. For optimal burning, firewood should register below 20% moisture. Test multiple pieces and check the interior by splitting a piece, as the outside may be drier than the inside.
The fire test gives you functional proof: dry firewood ignites easily and burns with bright flames and little smoke, while wet wood is difficult to light, sizzles and hisses, produces heavy smoke, and provides minimal heat.