Birch Burl logs are primarily found in Central to East Finland and also in Russia (Karelia) in the extensive Birch forest stands there. However, it is always a case of just odd trees which have developed this special form of growth. It is either genetic or caused by the soil conditions and the location. There are strict felling quotas in Finland which are stringently controlled. As a general rule the usable length for veneer isfrom 50 cm to 150 cm.
To be considered as absolutely rare are usable logs of200 cm to 300 cm in length. Due to their small diameter Birch Burl logs are rotary cut. This is why the width of the veneer sheets is generally greater than their length. One log rarely yields more thand 3‑4 bundles.
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