2M Crate Silver BirchKiln dried birch, 2.98 m3 loose, £92 / m3. This 2 M premium kiln dried birch firewood for sale offers great value on the market today. Logs are cut to 25cm in length and kiln dried for 3-4 days to an average 10-20% moisture content meeting the strictest EU moisture content standards for the kiln dried hardwood firewood. We are fully committed to offering a quality firewood product at the best pricing point possible. Buy firewood Direct kiln dried birch logs are supplied ready for use on all your wood burning equipment. Whether you have an open fire or a wood burning stove you will find that our kiln dried firewood logs are the best choice to heat your home.