Birch firewood logs in Standard size crate free delivered in UK. Birch firewood is excellent for all wood burning appliances. Burns hotter than mixed hardwoods. Birch logs are EU standard size, 25cm in length and 7-15cm wide measured across the widest edge. Neatly hand packed in Standard size firewood crate. Birch hardwood firewood is average 8-20 % MC, Woodsure / Hetas accredited.