How to collect wood for your log-burning stove
The first thing to avoid is any wood that has been treated. Which means the old kitchen stool should be sent to the recycling centre instead. Paint, varnish and glue will all release toxic chemicals that shouldn’t be anywhere near your living room and even furniture that appears free from such substances is likely to have been pressure treated at some stage, which will cause similar problems. Offcuts from untreated wood you’ve been using to build things with, or old palettes, are fine, but make sure any nails and screws are removed first.
If you live by the sea then it’s more bad news: driftwood collected from the beach is to be avoided: not only might it harbour chemicals from its previous use, but it will definitely contain salt which is corrosive and releases toxic fumes when sent up in flames.
When it comes to collecting wood in its natural form – chopped off a tree – there are other things to consider. The most important thing is making sure it’s properly dry and has been suitably seasoned (see below) and that you’re using a variety that is naturally safe (again, see below).
Small branches and twigs are ideal for kindling, providing they’re dry and have all greenery removed, but try to avoid anything that has been the subject of chemical treatment, such as anti-disease sprays, as these will include toxins.
How to season wood
Seasoning wood is the process of leaving chopped bits of timber to naturally reduce their moisture content until they’re ready to burn. Most wood has between 30% to 45% moisture which should be reduced to less than 20%. You can use a wood moisture gaugeto measure the moisture level in wood before you burn it to be sure that it is dry enough. If you’re chopping a tree for seasoning then winter is the best time to do this as it’ll be in its dormant period with no sap rising, giving you a better starting point to begin.
Chop the wood into fire-ready pieces(smaller lumps dry quicker than big lumps) and make sure it’s stacked in a way that air can circulate throughout. If you’re lucky, depending on drying conditions, your winter-chopped wood could be ready for the fire in the following winter, but in most conditions, it’s worth leaving it for at least 18 to 24 months.
Woods to avoid burning
There are a few natural woods that will produce toxic gas if burnt (such as laburnum) while other types don’t burn especially well. In general, soft woods – such as pines and furs – aren’t as good on the stove as hard woods. They have a high creosote content and will need a much longer time to dry; on the fire they’re likely to burn quickly, generate an instant high level of heat and tend to spit – all things you want to avoid. If you have access to such wood then you’re best off drying it out and using it as kindling.
Five of the best woods to collect and burn
One of the most popular woods for log suppliers and stove owners as it contains such a low moisture content, so it takes less time to season. Gives off a nice flame as well as heat.
Seasoned beech is another popular flaming beauty.
Keep hold of those apple tree prunings – when dry it burns nice and slowly and gives off a pleasant aroma.
Another good burning wood that is well suited to stoves.
It needs to be well seasoned but if you’re after a wood that burns very slowly with a minimal flame then it does the trick.
Do you have a log burning stove? If so do you have any tips on how to collect wood? Let us know in the comments!
Two Thirsty Gardeners bio
The Two Thirsty Gardeners, Rich and Nick, are bloggers who love gardening, eating and drinking in equal measure! They love to share tales from their allotment including their experiments turning the spoils of their crops into alcohol, both the good and the bad!
To find out more about Rich and Nick, click here.
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