Protection begins even at the stage of harvesting and storage of raw materials. The percentage of moisture in a recently cut trunk is up to eighty percent, therefore, it is tedious to dry it properly. The simplest and most affordable drying method is natural when the prepared forest is simply left to lie for a whole year. In addition, a number of additional measures are carried out to exclude malicious effects. Good moisture protection — a room with a waterproof roof, carefully ventilated and insulated.
