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the importance of using
seasoned wood
Freshly harvested wood can contain up-to 80% moisture and must be seasoned (<25%) before burning in a woodburning appliance. Seasoning is the process of removing the moisture from wood. This can be best achieved by stacking undercover in a way which allows the air to circulate the wood and carry the moisture away as it evaporates. Seasoned wood generates a greater heat output, better fuel efficiency/economy and reduces the risk of problems within the stove and flue. Anything over 25% moisture content is classed as 'wet' or 'green' wood. Burning wet or green wood will not only lead to an inefficient, low heat output from your stove, but can also cause creosote/tar build up in the chimney and the blackening of the door glass.
For more information regarding seasoned/
kiln dried wood, including prices,availability,
and pallet rates enquire within or contact us.
Also, now available,
Moisture meters. Test the
moisture content of your
own wood with this easy
to use pocket meter
Types of wood and calorific values
Carbon
Neutral: Wood differs from other fossil fuel such as coal, gas and oil
because it is part of the carbon neutral cycle. When wood is burnt it releases
exactly the same amountof CO2 back into the athmosphere as if it were left to rot.
Freshly harvested wood can contain up-to 80% moisture and must be seasoned (<25%) before burning in a woodburning appliance. Seasoning is the process of removing the moisture from wood. This can be best achieved by stacking undercover in a way which allows the air to circulate the wood and carry the moisture away as it evaporates. Seasoned wood generates a greater heat output, better fuel efficiency/economy and reduces the risk of problems within the stove and flue. Anything over 25% moisture content is classed as 'wet' or 'green' wood. Burning wet or green wood will not only lead to an inefficient, low heat output from your stove, but can also cause creosote/tar build up in the chimney and the blackening of the door glass.
| Approx heat output for wet/dry wood | |
| Wet or fresh cut wood 1.0 kw/h per kg |  = Single bar
electric fire 1.0 kw/h |
| Wood containing 60% moisture 3.0 kw/h per kg |  |
| Kiln dried wood 4.5 kw/h per kg (UK) |  |
| Wood containing no moisture 5.5 kw/h per kg (theoretical only |  |
| Higher water content will also prevent the gasses in the wood from igniting allowing them to escape unused. Upto 50% potential heat wasted! | |
| Number of wet logs required to produce equivalent heat output on seasoned wood. | |
 |
10 Logs at 25% moisture content |
 |
33 Logs at 60% moisture content |
Also, now available,
Moisture meters. Test the
moisture content of your
own wood with this easy
to use pocket meter
Types of wood and calorific values
Carbon
Neutral: Wood differs from other fossil fuel such as coal, gas and oil
because it is part of the carbon neutral cycle. When wood is burnt it releases
exactly the same amountof CO2 back into the athmosphere as if it were left to rot. 