Kiln Dried Birch Logs Premium winter fuelsKiln Dried below 20% moisture. Condition is "New". Kiln Dried Birch Logs (*Including Home Delivery) Approx. weight: 8kg Premium winter fuels Kiln Dried below 20% moisture High heat & energy value min 4.8 MWh/t CO2 neutral product Sustainably sourced wood Woodsure: Ready to burn WS357 Quality performance Recyclable polythene Perfect for wood burning appliances