Birch firewood logs for sale in Flexi size crate free delivered to most UK areas. Birch burns hotter compared to mixed hardwoods. Birch logs are EU standard size, 25cm in length and 7-15cm wide measured across the widest edge. Neatly hand packed Flexi size Birch crate. Birch firewood is average 8-16 % MC, Woodsure / Hetas accredited.